.-Hello,Anne,it’s Jack here Can I speak to Robert,please?-Hi,Jack.Robert_______in the garage,Can I get him to call you back?-Sure.Thanks. A.has worked B.is working C.worked D will work
—Isn't Miss Brown here yet?—No.________, she's not here yet.
The temperature is high enough ________water into vapor(蒸汽).
There is no good for the parents to provide everything________their children.
Wait until you are________in.
He said he would keep________the school rules and keep________smoking.