Excuse me, could you tell me where ______ in the group-buying— Sure, sir. You can try www.taobao.com.

He collected information on 1,000 people, whose IQ ________ when they were ten years old.[ ]

I haven’t seen Jack for three days, is heill—_______. His mother told me that he was in hospital.

It is desired that the project________before the end of this month.

Emergency line operators must always _____ calm and make sure that they get all the information they need to send help.[ ]