问题

You can use a large plastics bottle, _________ cut off, as a plot to grow flowers in.

A:with its top
B:the top of which
C:whose top
D:its top is

正确答案是：

同类题型

________ people used the computer thirtyyears ago, but now it’s very popular.

.Hardly_______when the fans began to screamwith excitement.

tired professor, _____ in his new book in thepast three years, hasn’t realized the decline in his health.

－He asked Tom, “Have you finished your homework？”－He asked Tom　　　　

d man was quite weak after theaccident, so he______