He is busy now, otherwise he ______ go with you for a walk.
20.We met _____ and have become good friends since then.
19._____ your advice, I’m sure to consider it and give you reply in time.
18.--- Tom has a lot of parties recently.---Yes, that may ____ why he didn’t do well in the test.A, sum up B. add up to C. account for D. make sense of
17.I’m ____a diet, since I put ____ weight easily.
16.He is heavily ____ now, so he can’t pay for a new house.