.No matter how fast we worked,____.
A.we couldn’t catch up with them | B.and we couldn’t catch up with them |
C.so we couldn’t catch up with them | D.but we couldn’t catch up with them |
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.No matter how fast we worked,____.
A.we couldn’t catch up with them | B.and we couldn’t catch up with them |
C.so we couldn’t catch up with them | D.but we couldn’t catch up with them |