My friend showed me round the town， _____ was very kind of him.
A. which B. that C. where D. it
They use computers to keep the traffic _____ smoothly.
A. being run B. run C. to run D. running
If you leave the club， you will not be _____ back in .
A. received B. admitted C. turned D. moved
What I need is _____ book that contains _____ ABC of oil painting.
A. a; 不填 B. the; 不填 C. the; an D. a ; the
Jenny nearly missed the flight _____ doing too much shopping.
A. as a result of B. on top of C. in front of D. in need of
The CDs are on sale! Buy one and you get_____ completely free.
A. other B. others C. one D. ones
