---- Isn’t it a surprise that I happened to meet Francis Mathews at the Christmas party last week、 ----- If my memory serves me correctly, you _____ each other for exactly two years.A hadn’t seen B haven’t seen C didn’t see D don’t see
---- Don't you think it necessary that he _______ to Miami but to New York? ---- I agree, but the problem is ________ he has refused to.
—What are you going to do this afternoon? — I will probably play computer games ________ my parents are out.
________ you’ve got two film tickets, you may as well invite Mary to go with you tonight. A Now that B After all C Although D As soon as
In time of serious accidents,____we know some basic things about first aid,we can save lives. A whether B. until C. if D unless
He tried his best to solve the problem,_____difficult it was. A however B. no matter C. whatever D. although