In the 21st century, all nations must take their ________of responsibility for the global safety.
| A．blame | B．charge | C．share | D．notice |
Before Chinese Chang’e-2, the US sent up a space probe (探测器) to hit the moon to see ______.
| A．whether there was water on it | B．whether was there water on it |
| C．whether on it was there water | D．whether was water on it |
Not only spring but autumn is ______ good time for Wenzhounese to experience ______ nature, especially when sweet osmanthus (桂树) in full blossom.
| A．/, the | B．a, the | C．the, / | D．a, / |
After graduation from college, he began to wander from city to city, ______ a suitable job.
| A．hunting for | B．taking on | C．looking after | D．bringing up |
I don’t think it’s of any use ______ with him. You might as well ______ him alone.
| A．arguing, leave | B．to argue, leaving | C．arguing, leaving | D．to argue, to leave |
— Was the driving pleasant when you vacationed in Mexico last summer?
— No, it ______ for four days when we arrived so that the roads were very muddy.
| A．was raining | B．had been raining | C．would be raining | D．had rained |