Scientists are trying to develop a special material, _______ they will make use of in space.
| A．it | B．that | C．what | D．one |
He is the only one of the students who ________ a winner of schoolarship for three years.
| A．is | B．has been |
| C．are | D．have been |
________ we will start the project has not been decided yet.
| A．That | B．Who |
| C．What | D．When |
A poet and artist ________ coming to speak to us about Chinese literature and painting tomorrow afternoon.
| A．is | B．are |
| C．was | D．were |
Information has been put forward ________ more middle school graduates will be admitted into universities.
| A．while | B．that |
| C．when | D．as |
________ she couldn't understand was ________ fewer and fewer students showed interest in her lessons.
| A．What ; why | B．That ; what |
| C．What ; because | D．Why; that |