The reason why he was late is ______ he got up too late.
| A．that | B．because | C．as | D．for |
Loulan is believed __________ over by sandstorms gradually from AD200 to AD400.
| A．to cover | B．to be covered |
| C．to have covered | D．to have been covered |
_____ is no doubt _____ Jennifer will come to see me this weekend as usual.
| A．It; that | B．It; whether |
| C．There; that | D．There; whether |
This is the first time I ______ such beautiful music .
| A．heard | B．am hearing | C．will hear | D．have heard |
The robot Tony was said already in Larry’s house before he returned.
| A．to test out | B．to have been tested out |
| C．to be tested out | D．to be testing out |
Modern science has given ____clear evidence ____ smoking can lead to many diseases ____ it’s time for us to take measures.
| A．such; what; that | B．such; which; as |
| C．such; that; that | D．such; where; that |
The crowd cheered wildly at the sight of Liu Xiang, who was reported, throughout the whole country, ____ the world record in the 110-meter hurdle race.
| A．breaking | B．having broken |
| C．to have broken | D．to break |
Scientists say it may be five or six years _____ it is possible to test this medicine to human patients.
| A．since | B．after | C．before | D．when |