Устойчивое выражение have (has) ON - обозначает, что что-то на ком-то НАДЕТО,можно вместо has on везде написать is wearing (одет в настоящий момент)
1) Steve has a shirt with a tie, a coat and jeans on.
Bill has a shirt with a tie and jeans on. (можно добавить too - тоже)
2) John has a shirt and jeans on.
Ann has a dress on. (sarafan-это чисто русский вид платья, поэтому в англ языке такого слова нет, пишешь или платье (dress) или сарафан, но англ буквами) .
Stert has a shirt and jeans on.
Mary has a shirt and knee-breeches on.
Task 1. Read the text and open the brackets using the right form of the verb
Alaska
Alaska is the largest state in the United States. It 1 (occupies) the extreme region ofthe North American continent and 2 (is separated) from Asia by the 82-km-wide Bering Strait. It 3 (was bought) from Russia by Secretary of State William H. Seward in 1867. Alaska 4 (belongs) to the United States. By 1900 Alaska 5 (had become) a land of golden opportunity due to gold discovery. Though 6 (having) very little population, it is one of the wealthiest nations in North America. The official language of Alaska is English. While most of the people speak English, the other 7 (recognized) languages are Native North American, Spanish, Yupik, Tagalog and Inupiaq. Alaska 8 (is nicknamed) „America‟s Last Frontier‟ and „Land of the Midnight Sun‟. The official state flower of Alaska - the wild forget-me-not is worth 9 (mentioning). 10 Have you (heard) that there are some areas in Alaska that have 24 hours daylight and some that have 24 hours night? 17 of the 20 highest peaks in the United States 11 (are located) in Alaska. 12 The only capital city in the United States that is accessible by boat or plane only, Juneau, the capital of Alaska, attracts tourists.