Giới Từ Chỉ Thời Gian — Bài Tập 4

They lived in London ____ the 1990s.

We watched a movie ____ the evening.

My flight is ____ Tuesday morning.

I usually go to bed ____ midnight.

The new policy will come into force ____ the turn of the century.

I've been waiting for you ____ an hour.

He managed to finish the marathon ____ under four hours.

The store closes ____ 8 PM.

I'll call you back ____ ten minutes.

I like to exercise ____ the morning.