The first thing we should do is to master the basic grammar.A.whichB.thatC.asD.o
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The first thing ________ we should do is to master the basic grammar.
| A.which | B.that | C.as | D.of which |
试题答案
B
解析

The first thing ________ we should do is to master the basic grammar.
| A.which | B.that | C.as | D.of which |
B
解析