Students used to_____ information from newspapers or magazines, but now they are used to ______ for it on the Internet directly.

It was the first time ______ I ______ here.

—You must obey every word of mine!
—________ I don’t?

Officials believe that more than one person _____ for the big fire.

The global warming is more and more serious, for which human beings ______．

I feel it is your husband who ________ for the spoiled child .

Copy the expression ___________, please, without any changes.

Come and see me whenever ______.

There are         few problems left         I believe you can deal with them yourself．

Zhang Yining has trained continuously for six hours. _____ she is tired out.