题目内容

The girl was so weak that she didn't catch up with others.


  1. A.
    fell behind
  2. B.
    tried to hold
  3. C.
    ran after
  4. D.
    fell off
A
catch up with意思是“追上,赶上”,反义词应是“落后,跟不上”。与A项意思相近。B项意思是“努力抓住”。C项意思是“追逐,追击”,fall off意思是“陷入”。
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