21. A wonderful performance ________ in the school gymnasium next month.
A. is put on B. has been put on
C. will be put on D. was put on
22. Recently I bought a beautiful car, ______was reasonable.
A. of which price B. the price of whose
C. the price of which D. which price
23. Tom’s father as well as his mother ________ that he ______ at home.
A. suggest; stay B. suggests; stays
C. suggest; stays D. suggests; stay
