单选题(15×1) 从ABCD四个选项中,选出可以填入空白处的最佳答案
21.China CEO was instant hit in southeast Asian bookstores , selling more than 10,000 copies since its release in late February .
A、an / the B、the / the C、the / \ D、an / \
22.Put yourself in situations you will be forced to communicate in English,
you will see more progress over time .
A、that / and B、which / so C、when / therefore D、where / and
