When the old man_____to walk back to his house，the sun____itself behind the mountain．
| A．was starting；hid | B．had started；had already hidden |
| C．had started；was hiding | D．started；had already hidden |
We were about to go out______ the rain poured down.
| A．as | B．while | C．after | D．when |
There is too much rain these days, isn’t there ? —Yes, it ___ for a week.
| A．has been raining | B．had been raining | C．was raining | D．rained |
The place ______ you are going to visit is the ruins (废墟) of the World Trade Center.
| A．which | B．at which | C．where | D．in which |
---The last one ___ carries all the luggage. ---Agreed!
| A．arrived | B．arrives | C．to arrive | D．arriving |
The stranger stood by the window, with his eyes ______ on the hills in the distance.
| A．fixing | B．to fix | C．to be fixed | D．fixed |