中国大学MOOC: The boy jumped off the train ______ it was moving.
举一反三
- The boy jumped off the train ______ it was moving. A: where B: while C: since D: if
- He jumped onto the train just as it was pulling ( ). A: off B: away
- 中国大学MOOC: The passers-by ______ off their cloths and jumped into the water to save the drowning child.
- He jumped onto the train just as it was pulling __________. A: in B: off C: away D: for
- 中国大学MOOC: _______ a girl had fallen into the river, he took off his coat and jumped into the water.