My friend, David, was not used __________by air, so he felt unwell.

It be the vocabulary that caused you the problem in the exercise because you know a lot of words.

Rita has been to Tokyo twice.— ___________ .

They wanted to charge $5,000 for the car, ________we managed to bring the price down

Jim has his wife do all the housework!Isn’t he wise— Not really He is _______