—Have you been teaching here since graduation? —No, I _____ on a farm for five years.
__________ it rain, the crops_____________.
--You forgot your keys when you left home in the morning. --Good heavens,___________.
It is impossible for____________ little room.
It is impossible for ______ little children to do ______ much work in ______ a short time.
This new-type machine____________ little room.