It’s said in some parts of the world, goats, rather than cows, serve as a vital _______ of milk.
A. storage B. source C. reserve D. resource
Who can you turn to in time of danger, if not _______?
A. any B. us C. we D. ours
A story goes _______ Elizabeth I of England liked nothing more than being surrounded by clever and qualified noblemen at count.
A. when B. where C. what D. that
—I reminded you not to forget the appointment with the house agent.
—_______, but I was caught in a traffic jam.
A. So you did B. So I did C. So did you D. So did I
I’ll see to _____ everything will be prepared for the English party before 2 pm.
A. when B. that C. it that D. if
—I’ll be away on business. Who do you advise _______ the child at home?
—How about your mother?
A. attend B. to attend C. attending D. attended
