Years ago we didn't know this, but recent science ________ that people who don't sleep well soon get ill.

[　　]

The first use of atomic（原子的）weapons was in 1945 and their power ________ increased enormously ever since.

[　　]

--The window is dirty.

--I know. It ________ for weeks.

[　　]

More patients ________ in hospital this year than last year.

[　　]

Now that she is out of a job. Lucy ________ goiig back to school, but she hasn't decided yet.

[　　]

As a boy I was very weak. I didn't imagine me ________ a weight lifter.

[　　]

Her parents ________ her not to marry that man, who had once been a thief, but she said that she would not marry anyone else but him.

[　　]

He ________ just one novel so far.

[　　]

______ production up by 60%, the company has had another excellent year.

[　　]

Look at the timetable. Hurry up! Flight 4026 ________ off at 18:20.

[　　]