日本成人片在线_久久免费精品视频_国产午夜精品久久久久久免费视_校花撩起jk露出白色内裤国产精品_av影片免费在线观看_国产小视频在线看_最新av免费在线观看_99久久99久久精品国产片_欧美成人猛片aaaaaaa_蜜桃免费网站一区二区三区

【題目】The programme showed those doctors and nurses _______special importance to any potential symptoms in the population.
A.attached
B.contributed
C.led
D.indicated

A. A professor.B. A report.C. An animal.

【題目】You ________ write the poem down. Our teacher will give us a copy soon.
A.mustn't
B.can't
C.shouldn't
D.needn't

【題目】You ______ pay too much attention to your reading skills, as they are so important.
A.shouldn't
B.mustn't
C.can't
D.needn't

【題目】The findings support another study which showed that being happy ______ reduce the risk of heart disease.
A.need
B.shall
C.must
D.can