_________ life will continue on the earth for millions of years to come will depend on __________ this problem can be solved.
| A．If; that | B．Whether; if |
| C．If; whether | D．Whether; whether |
It was so dark in the cinema that I could hardly ______ my friend.
| A．ignore | B．judge | C．recognize | D．realize |
As a child, Jack studied in a village school，_______ is named after his grandfather．
| A．which | B．where | C．what | D．that |
______ of the land in that district _______ covered with trees and grass.
| A．Two fifths; is | B．Two fifth; are | C．Two fifth; is | D．Two fifths ; are |
The reason why she came here late this morning was she had to look after her sick daughter.
| A．why | B．because |
| C．that | D．because of |
I’ve won a holiday for two to Florida. I _______ my mother.
| A．have taken | B．am taking |
| C．take | D．will have taken |