The drilling in Antarctica dragged on slowly because of lack of money, equipment breakdowns, environmental ______ and severe cold.
| A．concerns | B．assumption | C．occupations | D．ignorance |
Following ShenzhouⅧ，two more mission space craft ________to join with Tiangong-1 before the end of 2012.
| A．will send |
| B．sending |
| C．to send |
| D．will be sent |
It's said that an American starts a speech with a joke，________a Japanese seldom.
| A．as |
| B．when |
| C．though |
| D．while |
________their timely help，we overcame the difficulties at last.
| A．Thanks to |
| B．Thanks for |
| C．As a result |
| D．Because |
There were 47 votes _______of the proposal while 13 against it.
| A．in favor |
| B．in need |
| C．in demand |
| D．in want |
You can't imagine what great difficulty they had ________the old couple to move out of the old house.
A．persuaded
B．with persuading
B．to persuade
D．persuading