he can pass the entrance examination is quite uncertain.
A. If B. What C. That D. Whether
When you are confused about some words in reading, you can ______ the dictionary.
A. have a look at B. look up C. check D. refer to
It is no use ______ a lot without doing anything.
A. to talk B. talking C. to talk about D. talking with
______by many people，the spokesman made an exciting speech．
A. Surrounding B．Having surrounded C. Surrounded D．Surround
At the same time，they are taking strong _______ to protect wildlife resources．
A．actions B．measures C．step D．efforts
To enjoy the scenery，he would rather _____ long hours on the train ___ travel by air．
A．spend ; to B．to spend; rather than C．spend ; than D．spending; while
