帮填几道英语题:13.I haven’t got a chair ----------.Will you make so

帮填几道英语题:13.I haven’t got a chair __________.Will you make some room for me?A.sitting B.to sit C.to sit in D.to sit on14.-- I can’t find Dad.Where is he?-- I’m not sure.He __________ be in the study.A.must B.may C.need D.will15.Tom’s parents __________ from him for months,so they are very worried.A.don’t hear B.haven’t heard C.won’t hear D.heard16.-- Were you at home at 9 o’clock last night?-- Yes,I __________ a shower at that time.A.took B.was taking C.was taken D.am taking17.-- What rules do you have at school?-- We to wear our own clothes.A.don’t allow B.are not allowed C.will not allow D.shouldn’t be allowed18.-- We’ll have a new music teacher,Mrs.Li.A.when will she come B.when she will comeC.when did she come D.when she came19.If you want to succeed,you __________ give up working hard until your dream __________.A.will; comes true B.can’t; come true C.won’t; comes true D.won’t; come true20.– Sorry to keep you waiting.– I’ve just been here for 10 minutes.A.What a pity!B.It doesn’t matter.C.It’s my pleasure.D.I didn’t mind.