The little boy ____ been run over by the car if the driver had not reacted in time.
A. could have
B. should have
C. had had
D. need have
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Thank you for ____ me during the whole tour.
A. helps
B. helped
C. had helped
D. helping
European people were very interested in Marco's book____ “DESCREPTION OF THE WORLD”.
A. is called
B. is named
C. named
D. calling
Asprin is a simple but highly ____ treatment
A. effect
B. effective
C. affect
D. effectively
His plans ended in ____.
A. fail
B. failure
C. fails
D. success