Mark _____while he _____ up and down.
A: falls ... is jumping
B: fell ... was jumping
C: was falling ... was jumping
D: felt ... was jumping
A: falls ... is jumping
B: fell ... was jumping
C: was falling ... was jumping
D: felt ... was jumping
举一反三
- The children ______ off the tree now. A: are jumping B: is jumping C: jumps
- The policeman talked the man _________from the top of the building. A: into jumping B: to jump C: out of jumping D: not jump
- At the very beginning of the passage, the author narrates a story of _______. A: BASE jumping B: bungee jumping C: paragliding D: rock climbing
- 跳跃基因(jumping gene)
- 中国大学MOOC: Michael was ______ when he was caught jumping the queue.