When one makes new friends, don’t forget ______ old ones.
A. to come up with B. losing sight of
C. to keep track of D. keeping in touch with
Mr. Smith has not yet told me ______ I can go with him to ______ he calls the Underground Treasure House next week.
A. that, where B. what, where C. whether, that D. whether, what
— I’m really glad to see you back.. ______ your trip to the valley interesting?
— No. it ______ very heavily there the whole time.
A. Was; was raining B. Is; had rained
C. Was; was to rain D. Is; has been raining
Look over there-there’s a very long, winding path ______ up to the hill.
A. leads B. led C. leading D. to lead
It was only quite recently, however, ______ I began to understand how much my parents love me.
A. when B. that C. before D. after
My most devoted friend, Professor Yang, _______ often go hiking when he lived in the mountain that was covered with forest.
A. would B. should C. could D. might
