题目
题型:同步题难度:来源:
A. to do
B. doing
C. to be doing
D. done
答案
核心考点
试题【When the teacher came in, all the students pretended_____________their homework.】;主要考察你对不定式等知识点的理解。[详细]
举一反三
A. prepare
B. to prepare
C. to be preparing
D. to be preparing for
B. to have cycled
C. to have been cycled
D. to cycle
A. to do
B. to be doing
C. to have done
D. done
A. losing
B. to be losing
C. to be lost
D. having lost
B. Seeing
C. To see
D. Having seen
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