There is ____ “u” and _____ “r” in the word “number”.

I hope nothing will prevent you from coming, as we’re _____ your visit.

I still remember the college and the teachers ________I visited in London years ago.

____ we can’t remove our troubles in life for ever,we can leave them behind when we are on vacation.

Drug taking and gambling affect all_________of familylife.We should stay away from them since young.