Only then ______ how much damage had been caused.
A. had she realized B. she realized C. did she realized D. she had realized
According to ______World Health Organization, health care plans are needed in all big cities to prevent _______spread of AIDS.
A. the; the B. the; / C. a; a D. /; the
With no one to _____in such a frightening situation, she felt very helpless.
A. turn on B. turn off C. turn over D. turn to
It is difficult to imagine his _______ the decision without any consideration.
A. to accept B. accept C. accepting D. accepted
The construction of the two new railway lines _______by now.
A. has been completed B. have been completed
C. has completed D. have completed
__ I’m terribly sorry that I made your table cloth dirty.
__ ________.
A. Sorry B. Never mind C. Don’t mention it D. That’s right