If you ______tired, you"d better have a rest.A. be B. is C. are

题型：同步题难度：来源：

If you ______tired, you"d better have a rest.
A. be
B. is
C. are
D. may

答案

举一反三

Have you heard of the story? It _______  funny and interesting.           [     ]
A. looks
B. tastes
C. smells
D. sounds

题型：模拟题难度：| 查看答案

Mr Brown and his family have _______  Sanya for a few weeks.       [     ]
A. been in
B. worked
C. gone to
D. left for

题型：模拟题难度：| 查看答案

What ___________ the life like in the north , do you know?[ ]
A. does
B. will
C. would
D. is

题型：同步题难度：| 查看答案

I"m sorry to have kept you waiting long . Never mind , I _______ here for only a few minutes .[ ]
A. have been
B. have come
C. have arrived
D. waited

题型：同步题难度：| 查看答案

There _______ great changes in our hometown over the twenty years. [ ]
A. have taken place
B. have had
C. have been
D. were

题型：江苏月考题难度：| 查看答案