题目
题型:同步题难度:来源:
B.is playing
C.has been playing
D.was playing
答案
核心考点
试题【The little boy ________ in the mud all the morning. No wonder he is dirty from 】;主要考察你对过去将来完成时等知识点的理解。[详细]
举一反三
-Yes. He ________ his maximum potential in the past decade.
B.is exploring
C.has been exploring
D.has explored
B. had coughed
C. coughed
D. cough
Joseph ________ to evening classes since last month, but he still can"t say "What"s your name?" in
Russian.
B. went
C. goes
D. has gone
—It"s not surprising. They ________ wonders all the time.
B. were working
C. work
D. have been working
— Of high quality. We ______ their products all these years.
B. have sold
C. have been sold
D. have been selling
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