______ he was at home, I would have phoned him then.

I don’t know if he ______ to the English corner, but I’ll ask him about that when he ______ to the class.

I have got a headache.—No wonder.You___in front of that computertoo long.

. The questionnaire takes ______ ten tofifteen minutes to complete and can be used along with the assessmentinterview.

下列句中加点词语使用正确的一项是（ ）