（十八）动词的时态和语态（1）
1．More than a dozen students in that school ________
abroad to study medicine last year.
A．sent B．were sent C．had sent D．had been sent
2．By the end of last year, another new gymnasium________
in Beijing.
A．would be completed B．was being completed
C．has been completed D．had been completed
3．When and where to go for the onsalaryholiday_____ yet.
A．are not decided B．have not been decided
C．is not being decided D．has not been decided
4．He will have learned English for eight years by the time
he ________ from the university next year.
A．will graduate B．will have graduated C．graduates D．is to graduate
5．Rainforests ________ and burned at such a speed that they
