—You needn’ t take an umbrella.It isn’t going to rain.—Well,I don’t know.It________do.
I still remember the days_______ we lived together.
I was given three books on cooking, the first ________ I really enjoyed.
The boy likes playing jokes on his classmates, __________ of course makes him popular.
It is difficult, so I suggest that you __ it to an expert.
Luckily, we’d brought a road map, _________ we would have lost our way.