Giới Từ Chỉ Thời Gian — Bài Tập 1

He was born ____ the 20th century.

The store opens ____ 8 AM.

We are going on vacation ____ July.

I haven't seen him ____ a long time.

The train leaves ____ 7:00 AM.

The meeting is ____ 10:00 AM.

We have a meeting ____ 9 AM tomorrow.

You must submit your application ____ the deadline.

The meeting is ____ next week.

The store is open ____ the morning ____ the afternoon.