Dating violence is _____ one person purposely hurts or scares someone they are dating.
Mr. Obama paid a visit to China in November, 2009, _______, needless to say, must strengthen the Sino-US ties.
________ hard times and danger for over nine months, British teenager Mike made history as the youngest sailor among the world.
—I’m going on diet these days.—In my opinion, you should have balanced diet.
I ___________ through that bitter period without your generous help.
Frankly, I really doubt _________ he will pass the driving test, for he missed much training.