Before he started work, I asked the builder to give me a(n)_______ of the cost of repairing the roof.
She________her younger sister in appearance but not in character.
We were supposed to move into our new classroom building at the beginning of this month,but things didn’t ________ as planned.
By playing with the native boys and girls,one can ________ a lot of their language.
—If we take a plane,we’ll of course have arrived in London by the next weekend.—Don’t be too sure.We should ________ the weather factor.What shall we do if it is foggy?
No one could ________ the failure of the experiment as everything went smoothly at first.