A.for the first time | B.the first time | C.every time | D.the time |
A.could | B.were able to | C.meant to | D.tried to |
A.as | B.while | C.when | D.as soon as |
A.understand | B.to understand | C.understood | D.understanding |
A.both | B.any | C.either | D.neither |
A.is sold | B.has been sold | C.selled | D.sells |
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