问题

Microblogs experienced rapid growth in 2011 in China, with the number of microblog Operators, users and visitors ________ several times. [ ]

A: to increase
B: increased
C: increasing
D: increase

正确答案是：

同类题型

You can’t imagine the difficulty he _____ onto the cliff and saving the boy in trouble

下列各句中，没有语病的一句是（）

______ laughing when my daughter made a face.

下列各句中，没有语病的一句是（）

________ I’m busy these days , ________ I have no time to watch football matches on TV .