I hope that the problem of traffic jam will ( solve/ be solved ) as soon as possible.

My children often sleep while they are (in, on, by) a plane.

In the future most people will travel  _____ flying trains. (điền giới từ)

Will you_____________ a taxi or a train? (A. fly                       B. walk                  C. take)

Some scientists (think/will think) that the Earth (explodes/ will explode) in the future.

Jane thinks that there ( will/won’t) be traffic jam in the airways if every person owns a flying car in the future.

I don’t think that we will (make/be made) contact with the aliens in the future.

She is a frequent customer of that airline. She has to_____________ every month for work. (A. drive                   B. fly                     C. ride)

Inland waterways of the city will ( upgrade/be upgraded) soon .

They prefer not to go (in, on, by) car because it's more expensive.

Minh Duc often goes to school     _____     foot. (điền giới từ)

She came to the stadium (in, on, by) bus.

Jim (will/ won’t) come to our party because he has a tight schedule.