I'm afraid he’s more of a talker than a doer, which is ____ he never finishes anything．
| A．that | B．when | C．where | D．why |
Jack not to do that, he wouldn’t have made such a serious mistake.
| A．If I persuade | B．If I should persuade |
| C．Had I persuaded | D．If I persuaded |
________had never occurred to me ________Mike should win the match.
| A．He; that | B．That; that | C．It; that | D．It; when |
We are sure to get out oftrouble, unless we loseheart.
| A．\;\ | B．the;\ | C．\; a | D．the; the |
— Who is the letter you are reading from, Jack?
— Well, if you know, it’s from my girlfriend.
| A． must | B．may | C．can | D．should |
Though it took him long to physically recover from the accident, it was only a short timehe became positive in spirit.
| A．while | B．before | C．after | D．when |