We went through a period _____ communications were very difficult in the rural areas.
| A．which | B．whose | C．in which | D．with which |
The tomato is the world's most popular fruit. _______ the pumpkin, botanically speaking it is a fruit, not a vegetable.
| A．Just like | B．Just as | C．Such as | D．For example |
He saidhis sister had passed the entrance examination of college and _______ she would go to college in about 20 days.
| A．that；／ | B．that；that | C．／；／ | D．that；which |
—How unhappy your roommate looks!
—Yes, but he's not willing to tell me what it is _______ is troubling him.
| A．what | B．which | C．as | D．that |
In this district for five months or more of the year, no construction can be done _______ the rainy season makes it impossible.
| A．before | B．while | C．until | D．when |
Everything depends on _______ they will support you about it.
| A．if | B．which | C．whether | D．that |