1.The new textbook, ____ compared with the old one, has many advantages.
a. while b. if c. as d. which
选什么,为什么?
2.The charm of life was gone for Tom Sawyer.
这句话什么意思?
3.Can you get the clock ____ again?
a. gone b. going c. go d. to go
b和d中选哪个,怎么区分这两个短语?