.---Did your father come back early last night?---Yes. It was not yet eight o’clock ______ he arrived home.
We hope to move to the country in the ________ future.
I always prefer ________ a bike rather than ________ to work.
Child as he was,he ________ up with a good idea to solve the problem.
Yesterday I went ________ I spent the holiday last summer.
The classroom is big enough________,but we'll have to move if we have more students.