— Are you a teacher?
— No, but I ______. I worked in a middle school for three years.
| A．am | B．will | C．do | D．was |
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 |
Tom ______ in the library every night over the last three months.
| A．works | B．worked | C．has been working | D．had been working |
______ Barbara Jones offers to her fans is honesty and happiness.
| A．Which | B．What | C．That | D．Whom |