一I'm afraid I have to leave now, for you see, he is waiting for me. ----Well, if you_ , at least wait till the heavy rain stops.
The boy dived into the water and after ___ seemed to be a long time, he came up again.
----What can I do for you? ----I’d like to buy a present for my teacher’s birthday, ___ at a proper price, but of great value.
—Does he know how to work out the problem?---Yes, he has ___ a good idea to solve it. ----Yes, he has ___ a good idea to solve it.
---Excuse me,but I want to ride your bike to go to the bookshop. ---You ____ have my bike if you don't take care of it.
—Did your uncle phone you again the next day? ---No, it was a fortnight ___ he gave me a second call.