Don't ___ _ loudly in the classroom. [ ]
A. talk
B. talks
C. talking
D. to talk
答案:A
---Would you please show me ___ to run the machine?----Sure.
A.which
B.what
C.how
D.when
在个性形成中起决定作用的是()
A.遗传素质
B.环境因素
C.教育因素
D.家庭因素