问题

gh Beijing didn’t establish its first Antarctic research base until 1985, Chinese efforts _________ its influence across the continent are now outpacing other nation’s plans.
A:expanding
B:to be expanded
C:expanded
D:to expand;
B:to be expanded
C:expanded
D:to expand;
正确答案是:
同类题型
Many people would like to say, but _______ would like ________
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Are you satisfied with what shehas done — Not at all. It couldn’t be _______.
Let’s play ping–pang! —Good idea, _______ I don’t have a bat.