The program, __________ at improving the students' ability of listening and speaking, will surely be a success.
| A．to aim | B．aimed |
| C．to aiming | D．having aimed |
To save two students, a teacher and lost both of her legs last Tuesday.
| A．ran over | B．was run over |
| C．had run over | D．has been run over |
Had it not been for my teacher’s help, I the first place in the contest.
| A．won’t win | B．wouldn’t win |
| C．wouldn’t have won | D．mustn’t have won |
The number of children losing both parents to Aids ______ also expected to rise.
| A．was | B．is | C．are | D．were |
The pipes have oil or water, which is heated and sent to the storage tank until to produce electricity.
| A．needed | B．needing |
| C．to need | D．having needed |
There is a saying that ______, “Teach a man to fish, and you feed him for the rest of his life.”
| A．go | B．went | C．goes | D．is going |