I really don't know _____ I put my wallet after I paid the bill.
A. where was it B. it was where that
C. where it was that D. where was it that.
People working 10 or 11 hours a day are more likely to suffer from health problems than _____who go off duty after eight hours.
A. those B. that C. these D. them
I should convey my appreciation to my high school teachers, without ____ help I wouldn’t achieve such a big success.
A. whom B. them C. which D. whose
— Mum, would you please buy me an MP5 player?
— If you can help do some housework the whole vacation，you ____ have one as a reward.
A. must B. need C. would D. shall
— Sorry, I can't return your book today because I am only half way through it.
—____ I have plenty of other books to read.
A. Take it easy B. No wonder C. Take your time D. No doubt
Lorry, ___ university student from America, teaches us ___ history of western art.
A. an; the B. a; the C. the; / D. the; a
