“This is most useful reference book, Mr. Lee told us in class.A.the; aB.a; 不填C.不
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“This is ______ most useful reference book, ” Mr. Lee told us in ______ class.
| A.the; a | B.a; 不填 | C.不填; 不填 | D.a; a |
试题答案
B

“This is ______ most useful reference book, ” Mr. Lee told us in ______ class.
| A.the; a | B.a; 不填 | C.不填; 不填 | D.a; a |
B