–-I feel down now. All my work goes for nothing.
--___________. That’s life.
A. You are cut out for it. B.- It happens C. No problem D. That’s it
_______ is expected, according to the online survey, is _______ the price of housing will not go up any more.
A. As; what B. It; that C. What; that D. What; which
-----Alice, you clean the blackboard today, _________?
----- But I cleaned it yesterday.
A. won’t you B. will you C. didn’t you D. don’t you
--- Why is the cake so expensive?
---- Maybe you don’t know a cake made of wheat costs less than _____ made of rice.
A. one B. that C. the one D. another
I _____ sooner but I didn’t know that they were waiting for me .
A. had come B. was coming C. would come D. would have come
Experiments of this kind ___in both the U．S and Europe well before the Second World War．
A．had conducted B． have conducted
C．have been conducted D. had been conducted
