问题
选择题
_____________ look _____________ the blackboard.[ ]
A. Let, at
B. Let's, at
C. Lets, like
D. let, on
答案
答案：B
搜题请搜索小程序“爱下问搜题”
_____________ look _____________ the blackboard.[ ]
A. Let, at
B. Let's, at
C. Lets, like
D. let, on
答案：B