问题

Great changes _______________ in the past ten years .

A:have taken place
B:have been taken place
C:take place
D:took place;

正确答案是：

同类题型

My suggestion is that a plan for study ____ at first.

The split between humans and living apes isthought by some scholars ____ 15 to 20 million years ago.

can never make ________ a word he says.[ ]

Please forgive me to ________you________so late,but I have something urgent.—That’s all right.What’s the matter?[ ]

Good afternoon, Mr. Brown.—___________, Tom.