题目内容

So much work_________, I had a nice holiday.

A. to be done.
B. doing
C. having done
D. done

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In recent years an English word " infosphere"has appeared,_______ the sense of "information" and "atmosphere."

A. combining
B. combined
C. combines
D. being combined

When the clerk saw a kind face wrinkled in an apologetic smile, she stood rooted to the ground ,_________whether to stay or leave.

A. wondering
B. wonders
C. having wondered
D. Wondered

Homework_________, we went home happily.

A. be finished
B. finishing
C. having finished
D. having been finished

Much time_______ sitting at a desk , office workers are generally troubled by health problems.

A. spend
B. spent
C. spends
D. being spent