A、two thousand-word
B、two-thousand-word
C、two-thousands-words
D、two thousands words
第1题:
This is very important. You_____remember to shut down your computer every
evenlng。
A. ought
B. need
C. must
D. can
第2题:
A、wouldn’t have seen
B、shouldn’t have seen
C、mustn’t have seen
D、can’t have seen
第3题:
A.Must; needn’t
B.Can; can’t
C.May; mustn’t
D.Can; mustn’t
第4题:
A.mustn't
B.can't
C.needn't
第5题:
Must I stay at the office this afternoon? ---No, you ______.
A、don’t
B、needn’t
C、don’t need
D、can’t
第6题:
“一旦小玲写完了实验代码并且运行成功,她就不会延迟提交论文并且周一会给老师看。”以下表示正确的是:
A.finish(小玲,代码)∧work(代码) → delay_submit(小玲,论文) ∨ give(小玲,论文,teacher(小玲))
B.finish(小玲,代码)∧work(代码) ∧ ¬delay_submit(小玲,论文) ∧ give(小玲,论文,teacher(小玲))
C.finish(小玲,代码)∧ work(代码) ∧ ¬delay_submit(小玲,论文) ∧ give(论文,teacher(小玲))
D.finish(小玲,代码)∧ work(代码) → ¬delay_submit(小玲,论文) ∧ give(小玲,论文,teacher(小玲))