问题
选择题
Doing your homework is a sure way to improve your test scores, and this is especially true ____ it comes
to classroom tests.
[ ]
A. since
B. before
C. after
D. when
答案
答案：D
搜题请搜索小程序“爱下问搜题”
Doing your homework is a sure way to improve your test scores, and this is especially true ____ it comes
to classroom tests.
[ ]
A. since
B. before
C. after
D. when
答案：D