--Tom,you didn't come to the party last night? ----I _____,but I suddenly remembered I had homework to do.A,had to B, didn't C,was going to D, wouldn't
In the 16-19 age group,32 of women smoke ______ 28 of men.
How pleasant the picture is to _______!
-What did you think of ______ president?-I didn’t care for him at first,but after ____ time I get to like him.
Last term our maths teacher set so difficult an examination problem _____ none of us worked out.
How pleased the detective was _____ what his customer told him!