.
Marco found the walls of the Summer Palace were covered______gold and silver and the Hall was so large it could easily______6,000 people for dinner.
| A．with,seated | B．in,seated | C．in,seat | D．with,be seated |
The thought of going back home was _______ kept him happy while he was working abroad.
| A．that | B．all that | C．all what | D．which |
Although medical science __________ control over several diseases,what worries us is that some of them are returning.
| A．achieved | B．has achieved | C．will achieve | D．had achieved |
---What happened to the house ?
---It_____burnt to the ground.
A is said to having been B. is supposed to have been
C is reported to have been D. is believed to have
---You must obey every word of mine!
---_______ I don’t?
| A．How if | B．What if | C．Even if | D．Only if |
How long do you think it will be _______ China sends another manned spaceship to the moon?
| A．when | B．until | C．that | D．before |