Question

1.the boys have dinner __ half past six. 2.the children don't go to school __ sunday.

3.we go shopping __ friday morning.
4.my parents work __ weekdays.
5.they go home __ the evening.
用介词 in , on , at ；填空

Answer 1

1, at 在几点钟用介词at
2. on 在周几用on 具体时间
3.on 在早晨，在中午 在晚上用in 但是 只要这个早午晚前面有修饰，限定词时就用on 这里可以 归类到具体时间里
4. on 可以记为固定短语 在工作日
5. in the evening 在中午 在晚上用in
希望对你有帮助

Answer 2

1. at
2. on
3. on
4. on
5. in

Answer 3

at
on
on
on
in

Answer 4

1.the boys have dinner (at) half past six.
2.the children don't go to school (on)sunday.
3.we go shopping (on)friday morning.
4.my parents work (at) weekdays.
5.they go home (in) the evening.

望采纳，谢谢！！