Three robbers rushed into the bank with their faces _____ by black stockings.
A. to cover
B. covered
C. to be covered
D. covering不定式与动名词
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Do you know __________ the pie out of the oven?
A. to take
B. have taken
C. when to take
D. being taken
The students expected there _________ more review classes before the final exams.
A. is
B. to be
C. being
D. have been
Madame Curie is believed _________ radium (镭).
A. discovering
B. having discovered
C. to have discovered
D. to discover
She was made ________ at once.
A. leaving
B. to leave
C. left
D. leave