_______the activities might seem childish, in reality they require a lot of strength and determination.
A.When | B.As | C.While | D.Once |
It is a paradox(自相矛盾) that ina rich country there should bemany poor people.
A.such; such | B.such; so | C.so; so | D.so; such |
We are living in an agemany things are done on computer.
A.which | B.that | C.whose | D.when |
Although knocked down by a car, he managed to ______ to his feet.
A.stand | B.rise | C.run | D.struggle |
The sun heats the earth, ___________ is very important to living things.
A.that | B.what | C.which | D.where |
I will visit you if Father ______ me.
A.let | B.lets | C.is letting | D.will let |