Look _____ the blackboard and listen _____ the teacher. [ ]A. /; /B. at; toC. after; / D. on; after

题目简介

Look _____ the blackboard and listen _____ the teacher. [ ]A. /; /B. at; toC. after; / D. on; after

题目详情

Look _____ the blackboard and listen _____ the teacher.
[     ]
A. /; /
B. at; to
C. after; /
D. on; after
题型:单选题难度:中档来源:期末题

答案

B

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