选择题：18、(单选、2.5分)She __________be ill because I saw her

题目内容：

18、(单选、2.5分)
She __________be ill because I saw her playing tennis just now.
A、can.t
B、couldn.t
C、mustn.t
D、may not

参考答案：

在Windows的中文输入方式下，切换到英文方式应按（）键。A、Ctrl+AltB、Ctrl+Shi

在Windows的中文输入方式下，切换到英文方式应按（）键。A、Ctrl+AltB、Ctrl+ShiftC、Shift+SpaceD、Ctrl+Space

5、(单选、2.5分)— Excuse me, but there.s a problem with the heating.— _______________

24、(单选、2.5分)It. s truly a beautiful place,_________I don. t want to live here.A、

16、(单选、2.5分) On in London, Smith went to visit his friends.A、gettingB、coming