He always ______ his friends about everything. In fact , he has no thoughts of his own.

Global warming leads _________the melting of ice caps. [ ]

My iphone 5 needs to be repaired. How much do you think it _____?

Have you found the information is about President Xi’s visit to Russia?— Not yet. I will surf the Internet.

The student didn’t go to bed ______ eleven o’clock.[ ]