B Read the sentences and complete the in with the prepositions in, into, on, at, by, for or off.
1 The statue in the square is in memory of the soldiers who fought in the war.
2 The drowning child was rescued by the lifeguards who were on/off duty at the time.
3 Rainwater is carried away from the streets by means of a drainage system.
4 The items on sale were all second hand.
5 Most people shop on credit nowadays due to the convenience of credit cards.
6 By all accounts, she is a great performer.
7 I accidentally dropped an expensive vase on the floor and it broke into
hundreds of pieces.
8 I can't believe it! I was booked by the police for driving at 60 km/h.
9 Please state your name and address in full.
10 Try to keep calm for the sake of your children.
11 Despite the fact that the police officer was off duty, he chased the bank robber down the street and managed to arrest him.
12 The house next to ours is up for sale and we're thinking of buying it.
13 By all means, you can help yourself to anything that's in the fridge.
14 The present government came into power two years ago.
15 The war was eventually won, but at a great cost in human lives.
B Read the sentences and complete the in with the prepositions in, into, on, at, by, for or off.
1 The statue in the square is in memory of the soldiers who fought in the war.
2 The drowning child was rescued by the lifeguards who were on/off duty at the time.
3 Rainwater is carried away from the streets by means of a drainage system.
4 The items on sale were all second hand.
5 Most people shop on credit nowadays due to the convenience of credit cards.
6 By all accounts, she is a great performer.
7 I accidentally dropped an expensive vase on the floor and it broke into
hundreds of pieces.
8 I can't believe it! I was booked by the police for driving at 60 km/h.
9 Please state your name and address in full.
10 Try to keep calm for the sake of your children.
11 Despite the fact that the police officer was off duty, he chased the bank robber down the street and managed to arrest him.
12 The house next to ours is up for sale and we're thinking of buying it.
13 By all means, you can help yourself to anything that's in the fridge.
14 The present government came into power two years ago.
15 The war was eventually won, but at a great cost in human lives.
13 Water pollution can wipe out fish and plant species.
14 I can’t make out what it says here.
15 Acid rain poisons trees and plants.
16 Solar power can be used to heat homes.
17 Can I join the Eco-helpers club?
D Complete the sentences using the Present Perfect Continuous
18 He has been studying the environment for over ten years.
19 We have been working hard to build nesting boxes.
20 It has been raining for two days.
21 He has been donating money to Greenpeace for a long time.
22 The government has been trying to reduce pollution for years.
23 I have been volunteering to clean out ponds for a year now!
E Fill in the question tag.
24 Camels live in the desert, don't they?
25 Sarah didn’t collect the cans and newspapers, did she?
26 Sarah has called her mum, hasn't she?
27 Gorillas are amazing animals, aren't they?
28 It can’t be true, can it?