Explorer Robert Ballard searched the sunken ship---the Titanic for more than 20 years and also, with his cameras, he _____ the hole along the side of the ship which had caused it to fill with water and sink.
A. could find B. managed finding
C. succeeded to find D. was able to find
I ____ go to bed ____ the telephone rang.
|
A．was about to, when |
B．was going to, while |
|
C．would, when |
D．was to, while |
You may ask the teacher for help ____ difficulty.
|
A．in case of |
B．in the case of |
C．in any case |
D．in no case |
The train ____ at present speed until it reaches Beijing.
|
A．is running |
B．will be running |
C．will have run |
D．has run |
Before becoming a pilot, he spent quite a long time ____.
|
A．to be trained |
B．being trained |
C．training |
D．to train |
Yang Liwei’s journey into ____ space took him 600,000 kilometres in ____ orbit, around the earth 14 times, in just over 21 hours.
|
A．a, an |
B．the, an |
C．不填，不填 |
D．the, the |
