_____ is well known to the world is that China has very top technology in space industry．
| A．It | B．As | C．What | D．Which |
Can you make sure ______ the gold ring?
| A．where Alice had put | B．where did Alice put |
| C．where Alice has put | D．where has Alice put |
Word came from Mr. Smith __________ he could arrive on the following Saturday.
| A．where | B．that | C．whether | D．which |
---Do you think Peter is free today?
---I don’t think so. Recently he has been ______ the most of his time to prepare for the final examinations.
| A．making | B．planning | C．using | D．getting |
The millionaires, ____, are not happy as most of us had thought.
| A．honest | B．to be honest | C．honest | D．to be honesty |
He was seriously ill. That’s _______ he didn’t appear at the party.
| A．because | B．what | C．why | D．when |