His health is ______improving. I'm sure he will come back to work soon.
| A．gradually | B．frequently | C．fluently | D．finally |
May be if I ______ science, and not literature then, I would be able to give your more help.
| A．had studied | B．would study | C．studied | D．was studying |
It’s not what we do once in a while _______ shapes our lives, but what we do regularly.
| A．which | B．that | C．how | D．when |
Mary was much kinder to Jack than she was to the others, ____, of course, made all the others upset.
| A．who | B．which | C．what | D．that |
______ from the top of the tower, the south foot of the mountain is a sea of trees.
| A．Seen | B．Seeing | C．Have seen | D．To see |
-- I don’t really like Jams. Why did you invite him?
--- Don’t worry. He ___ come. He said he wasn’t certain what his plans were.
| A．must not | B．need not | C．would not | D．might not |