John may phone tonight，I don't want to go out ______ he phones.
| A．in case | B．in that case | C．so that | D．in time |
Was __ at the air battle on June 8,1994, ____ was led by Captain Johnson ___ Peter lost his life?
| A．it; when; that | B．that; that; who | C．it; which; that | D．it; which; when |
—I can’t find Mr. Smith. Where did you meet him this morning?
—It was in the hall ____ our products were showed..
| A．that | B．which | C．the one | D．where |
. It _____ Mary and Tom that often helped me at school.
| A．was | B．were | C．are | D．is |
I wonder ____ you were doing last night.
| A．it was what that | B．what was it that | C．that what it was | D．what it was that |
It musk be he that has stolen Mr. Smith’s purse. __________?
| A．Hasn’t he | B．isn’t he | C．mustn’t it | D．isn’t it |