一定要努力学习。
A. Do study hard.
B. Study hard.
C. To study hard.
D. To hard study.
不准乱扔杂物!
A. No entry!
B. No litter!
C. Go this way,please.
D. Li Ming,come here.
Go upstairs right now!
A. 上楼直走。
B. 现在去楼上
C. 走,上楼!
D. 马上上楼去!
the door when you go out; to bed early on school nights. your grandmother 0n Sunday.
A. Lock;go;Visit
B. .to lock;to go;to visit
C. Locking;going;Visiting
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