题目内容

E-mail as well as telephones______more and more popular in daily communica-tion.

A. have become
B. become
C. are becoming
D. is becoming

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He doesn't know what to say, for it is the first time that he______with a girl.

A. went out
B. goes out
C. has gone out
D. had gone out

Only after a baby seal is pushed into the sea by its mother______to swim.

A. how will it learn
B. it will learn how
C. will it learn how
D. and it will learn how

______hearing the news, all of us jumped with joy.

At
B. On
C. By
D. In

Give me an undisturbed hour, ______I'll finish the work they have left unfinished.

A. and
B. or
C. so that
D. in order that