21. ---- Shall I give you a ride as you live so far away?
---- Thank you. .
A. It couldn’t be better B. Of course you can C. If you like D. It’s up to you
22. The professor, some of his assistants, to attend our discussion.
A. and; is B. as well as; is C. or; are D. except for; is
23. It was in a shop nearby I bought this dress.
A. that B. which C. where D. in which
