Bob's leg got hurt _______the Purple Mountains. A. while he is climbing up B. while he was climbing up C. while he had climbed up D. while he climbed up
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举一反三
- He a good idea while touring Europe. A: picked up B: came up C: went up D: got up
- Bob’s leg got hurt while we ________________(climb) the Purple Mountains
- 12. Why does Corin like climbing? A: He loves to climb up, sit there for a while and then carry on. B: He is good at most sports. C: He believes that climbing will help him grow taller.
- 21. While traveling in France , he __________some French everyday. A) gave up B) picked up C) drew up D) got up
- Mark _____while he _____ up and down.