Fill in the blanks with the given verbs in their proper forms(用括号中所给动词的适当形式填空)
【小题1】He_______ (be) back in two weeks.
【小题2】Martin_______ (read) a book in the library at the moment.
【小题3】What can we do if there_______ (be) no rain?
【小题4】More and more foreigners are used to_______ (speak) Chinese.
【小题5】When he was on his way to the office, he_______ (see) an accident.