a
b
c
d
e
100

I usually wake up on 6 AM.

I usually wake up at 6 AM.

100

The meeting is in 3 o’clock.

The meeting is at 3 o’clock.

100

I arrived in 10 PM.

I arrived at 10 PM.

100

I have a meeting ___ Monday.

I have a meeting on Monday.

100

I usually drink coffee ___ the morning.

I usually drink coffee in the morning.

200

We went to the beach on night.

We went to the beach at night.

200

Let’s meet at Sunday.

Let’s meet on Sunday.

200

We have an English class at the afternoon.

We have an English class in the afternoon.

200

My birthday is ___ June.

My birthday is in June.

200

The concert will begin ___ the evening.

The concert will begin in the evening.

300

The train leaves on 7:30.

The train leaves at 7:30.

300

We watched the fireworks on midnight.

We watched the fireworks at midnight.

300

I was born in April 14th, 1999.

I was born on April 14th, 1999.

300

The class starts ___ 8 a.m.

The class starts at 8 a.m.

300

Let’s meet ___ Friday night.

Let’s meet on Friday night.

400

It’s quarter past eleven o’clock.

It’s quarter past eleven.

400

The class starts in 9 in the morning.

The class starts at 9 in the morning.

400

We have a stand-up briefing at the morning.

We have a stand-up briefing in the morning.

400

We go on vacation ___ December

We go on vacation in December.

400

The train leaves ___ noon.

The train leaves at noon.

500

She was born on July 1995.

She was born in July 1995.

500

I will visit you on April.

I will visit you in April.

500

We had dinner in night.

We had dinner at night.

500

She always surprises me ___ my birthday.

She always surprises me on my birthday.

500

He was born ___ 1995.

He was born in 1995.

M
e
n
u