Нужно вставить либо present perfect, либо past simple 1) whan time the plane (take off) 2) it's sharon and adam's silver wedding anniversary today. they (be/married) for twenty five years.
1) I'll be able to do my homework. Will I be able to do my homework? I won't be able to do my homework. 2) You'll be able to call him tomorrow. Will You be able to call him tomorrow? You won't be able to call him tomorrow. 3) He'll be able to conduct negotiations. Will he be able to conduct negotiations? He won't be able to conduct negotiations. 4) He'll be able to lern cycling. Will he able to lern cycling? He won't be able to lern cycling. 5) She'll be able to explain to teacher everything. Will she be able to explain to teacher everything? She won't be able to explain to teacher everything.
2)It's Sharon and Adam's silver wedding anniversary today. They have been married for twenty five years.