超星 - 语法3 不定式与ing比较 - 查题吧

单选题

Bob hasn’t finished the report yet, but he promised _____ it ready tomorrow afternoon.

A. to have
B. have had
C. having
D. has

单选题

I still remember _____ to the man who we later knew was the sales manager of the company.

A. to be introduced
B. being introduced
C. having introduced
D. to have introduced

单选题

When he saw Jane fall down on the ice, he couldn’t help _____.

A. laugh
B. laughs
C. to laugh
D. laughing

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