It was she that ________a sharp whistle, which makes ________possible for us to catch the thief.

“Will you be able to finish the job this week?” ” ___ .”

I think students can have mobile phones to help with their studies. —_______.They often use them to play games.

do you shop —I shop every week.

oung people just can’t live withoutthe Intemet,theydepend on for whatever information they need