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 Liu isn't here now．He ________(go)to Beijing．

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)

－Where's Miss Wang?

－Look, she ________(talk)with the students．

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)

Peter turned off the computer after he finished ________(write)an e-mail．

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．

用括号内所给单词的适当形式填空，毎空格限填一词。

Anna had a fever yesterday, so she was ________(able)to go to school．

用括号内所给单词的适当形式填空，毎空格限填一词。

Such an important problem should be discussed ________(serious)．

用括号内所给单词的适当形式填空，毎空格限填一词。

Recently, scientists have found that dogs are ________(smart)than cats．

用括号内所给单词的适当形式填空，毎空格限填一词。

October is the ________(ten)month of the year．

用括号内所给单词的适当形式填空，毎空格限填一词。

Be ________(care)when you cross the street．

用括号内所给单词的适当形式填空，毎空格限填一词。

Li Ma is an outstanding tennis ________(play)．