-How about the book you are reading now?
-Excellent indeed. You can find many problems we have come across __________ in it.
A.covered |
B.covering |
C.are referred |
D.referred |
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-How about the book you are reading now?
-Excellent indeed. You can find many problems we have come across __________ in it.
A.covered |
B.covering |
C.are referred |
D.referred |