In some parts of London, missing a bus means _______ for another hour.
A. waiting B. being waited
C. to wait D. to be waiting
According to the driver’s explanation, it was not his carelessness but the bad road conditions that _________ for the accident.
A. was to blame B. was to be blamed
C. were to be blamed D. were to blame
The professor tried his best to make the students__________what he was saying but he found it hard to make himself ___________.
A. understand; understand
B. understand; understood
C. understood; understood
D. understood; understand
_____ the yard, I found it _____ with lots of _____ leaves.
A. Entering; covering; fallen
B. Having entered; covered; falling
C. Entering; covering; falling
D. Entering; covered; fallen
Having finished her own painting, Mary went on others in the art class.
A. helping B. to help
C. with help D. having helped
Victor apologized for ______ to inform me of the change in the plan.
A. his being not able B. him not to be able
C. his not being able D. him to be not able
