Many teens don’t get enough sleep because they have too much homework, which _______ them up at night.
The treaty will not only benefit the two countries and peoples but also _______world peace.
Finally he realized that he had been transported into future of ______ was still his hometown.
It’s so wet there that the trees are extremely tall, some ______ over 90 meters.
With all the books she needed _____, she left the library with satisfaction.
He got the first place in the Oral English Contest, ____ was beyond his expectation.