----What made Professor Zhang so angry this morning? ---- Paul and Bill told lies,but neither of them apologized______it.
—Do you think it’s going to rain over the weekend? —________.
-----Why didn’t you go to the gathering yesterday? ------It rained so hard and in addition, I ________ an important essay the whole morning.
--- Tom, wait a minute. --- What for? --- Take an umbrella _____ it rains.
There are hundreds of visitorsin front of the Art Gallery to have a look at Van Gogh’s paintings.
I shall never forget the years _______ I lived in the countryside with the farmers, ______ has a great effect on my life.