Fill in each gap with a suitable preposition
1.we are waiting__for___the bus stop
2.I`ll wait__for___you are ready
3.They came to visit me__on___my birthday
4.we arranged to visit you___at__seven___in___the morning
5. susan can come and see you__at___lunch time
6.the conference is__in____july
7.did you have a good time__at____christmas?
8.I`m enrolling____in___activities
=> Câu 6 7 sai nhé , câu 6 tháng dùng in, còn christmas dùng at, nếu christmas day thì mới dùng on