The UN should _______the establishment of Iraqi government after the war, I think.

Is it he or you ________ in charge of the job and supposed to complete it on time?.

There was interview with Yao Ming on CCTV-5 yesterday evening. But it was a pity that I missed beginning.

The publishing house ______ his copyright,so he accused it.

A Wechat (微信) is an invention __________ can help people talk to friends, share photo, ideas and feelings freely.