____ with a camera a compass and several maps , the scientists set out to explore the ancient forest.
| A．Equipping | B．Having equipped | C．Equipped | D．To be equipped |
The International Day against Drugs, aimed at warning people to keep away from drugs, ______ on June 26th every year.
| A．taking place | B．takes place | C．took place | D．taken place |
_______ both sides accept the agreement will the two countries live in peace.
| A．Only if | B．Unless | C．If only | D．As long as |
There must be a time in every man’s lif ________.m
| A．that he is in low spirits | B．which he is in low spirits |
| C．when he is in low spirits | D．then he is in low spirits |
Nowadays it is difficult for people to find ______ work in the world because _________ economic situation is very serious.
| A．/; an | B．/; the |
C．the; the | D．a ; / |
– Hey! Lucas! Have you heard about the selective courses this year?
--_______ . What about that?
| A．Not really | B．Not exactly | C．Not simply | D．Not nearly |