I don’t know ______.
A. when he will come back B. when will he come back
C. when he comes back D. when he does come back
Tom can’t decide _____ to stay.
A. if B. whether C. that D. who
His ideas are similar ____ mine.
A. with B. in C. to D. at
He _____ lots of weight last year.
A. put away B. put on C. put off D. put out
The girl enjoys _____ the pop songs.
A. listen B. listen to C. to listen to D. listening to
缺词填空
根据短文内容及首字母提示，在下文空格处填入适当的词使短文完整，每空一词。
Man has a big brain. He can think and s1.languages. Scientists once thought that man isn’t the same as animals b2.man can think and learn. They know now that dogs, monkeys and birds can learn, too.
They are beginning to u3.that men are different from animals because they can speak.
Animals can’t speak. They make much n4.when they are afraid, or unhappy. Apes(猿) can learn some things more quickly than man. One or two of them have learned a few words. But they cannot join words to make s5.. They cannot think l6.us because they have no language.
Language is a wonderful thing. Man has been a7.to build a modern world because he has language. Every child can speak his own language very w8.when he is four or five, b9.no animals learn to speak.
How do children learn it? Scientists don’t really know w10.happens inside our body when we speak. They only know that man can speak because he has a brain.
