中国人民的社会生活发生重大变化，生活水平大幅提高始于何时 [ ]
A．中共七届二中全会
B．中共八大
C．中共十一届三中全会
D．中共十五大
答案：C
---I’m sorry I ______ my exercise book at home.
---Don’t forget _______ it to school tomorrow, please.
A．forgot, to take
B．left, to bring
C．forgot, to bring
D．left, to take
When you lose your way in the city, you can _________ the policemen _________help.
A．look; for
B．find; out
C．tell; to
D．ask; for
