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)
Mr Zhang ______(teach)us English three years ago.
Peter turned off the computer after he finished______ (write)an e-mail.
—Where’s Miss Wang?
一Look，she______(talk)with the students.
Mr Liu isn’t here now．He______ (go)to Beijing.
The children will go to the zoo if it______ (not rain)this Saturday.
There______ (be) a meeting in our school tomorrow afternoon.
Mr Green______(watch)TV at this time last night.
You’d better______(eat)less food before you go to bed.
My teacher told me that light______(travel)much faster than sound.
English______ (speak) by many people in the world.