第二部分：英语知识运用（共两节,满分35分）
第一节 单项填空（共15小题；每小题1分，满分15分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
11. With ________ successful launch of the first space lab module Tiangong-1, China’s space dream has taken ________ step closer to reality.
A. the; a B. 不填; a C. a; the D. the; 不填
12. When asked what they would volunteer to do, ________ said they were willing to do something they could.
A. half of these B. half of which C. half of whom D. half of them
13. The little boy still needed another 20 dollars to do with the things ________.
A. remained to be settled B. remaining to be settled
C. remained to settle D. remaining to settle
