摘要：17．I wrote a letter of complaint , and the airline has promised to the matter . A．look through B．look into C．look at D．look for
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I wrote a letter of complaint, and the airline has promised to _____ the matter.
- A.look up
- B.look into
- C.look through
- D.look for
I wrote a letter of complaint, and the airline has promised to _____ the matter.
| A．look up | B．look into | C．look through | D．look for |