题目
题型：期末题难度：来源：
A. had trapped
B. had been trapping
C. had been trapped
D. would have been trapped
答案
核心考点
试题【The coal miners ____ in the coal mine for 10 hours before we came to their rescu】；主要考察你对现在完成进行时等知识点的理解。[详细]
举一反三
[ ]
B. has been lying
C. was lying
D. has lain
A. had been chatting
B. had chatted
C. were chatting
D. have been chatting
A. has worked
B. worked
C. was working
D. had been working
A. were waiting
B. had been waiting
C. had waited
D. would wait
A. were waiting
B. had been waiting
C. had waited
D. would wait
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