可作为结核病预防性应用的药物是

A．异烟肼

B．吡嗪酰胺

C．利福平

D．链霉素

E．乙胺丁醇

根据句意，用括号内所给动词的适当形式填空。(必要时加助动词或情态动词)

小题1:Mr Zhang ______(teach)us English three years ago.

小题2:Peter turned off the computer after he finished______ (write)an e-mail.

小题3:—Where’s Miss Wang?

一Look，she______(talk)with the students.

小题4:Mr Liu isn’t here now．He______ (go)to Beijing.

小题5:The children will go to the zoo if it______ (not rain)this Saturday.

小题6:There______ (be) a meeting in our school tomorrow afternoon.

小题7:Mr Green______(watch)TV at this time last night.

小题8:You’d better______(eat)less food before you go to bed.

小题9:My teacher told me that light______(travel)much faster than sound.

小题10:English______ (speak) by many people in the world.