Bob would have helped us yesterday, but he_______
A.was busy | B.is busy | C.had been busy. | D.will be busy |
After thirty years of separation, I _____ with my sister. How happy we were!
A.kept in touch | B.caught up | C.kept up | D.got in touch |
--- Have you seen the robber______?
--- Why ask me? You are the only one who stands _____ to him.
A.clear; close | B.clearly; closely | C.clear; closely | D.clearly; close |
Only when I left my parents for Italy _____ how much I loved them.
A.I realized | B.I had realized | C.had I realized | D.did I realize |
Some researchers believed that there is no doubt______ a cure for AIDS will be found.
A.which | B.what | C.that | D.whether |
--- I started off to walk, but Peter gave me a lift.
--- Therefore, you _____ after all.
A.didn’t need walk | B.needed not walk |
C.didn’t need to walk | D.need not to walk |