When he was working there he caught a serious illness from _____ efforts he still suffers.
| A．which | B．that |
| C．whose | D．what |
—Why do you look so worried?
—Fred left the company half an hour ago. His work _______ unfinished since.
| A．left | B．was left | C．has left | D．has been left |
Our team was ahead during the first half, but we ________ in the last ten minutes.
| A．had lost | B．would lose | C．were losing | D．lost |
—Have you heard that Tom,along with his parents,______to Japan?
—Really?No wonder I haven’t seen him these days.
| A．has been | B．has gone | C．have been | D．have gone |
As soon as he comes back, I’ll tell him when ______ and see him.
| A．you will come | B．will you come |
| C．you come | D．do you come |
Great changes ______ in my hometown in the past twenty years.
| A．took place | B．have taken place | C．were taken place | D．have been taken place |