. Getting to other planets or to the moon _____ many problems.
|
A．involve |
B．involves |
C．involving |
D．to involve |
. Not only the whole nation, but the whole Europe , indeed the whole human society ______ to alter its attitude to racial problems.
|
A．need |
B．needs |
C．has a need |
D．have a need |
. None of them ______ my friends.
|
A．is |
B．are |
C．was |
D．has been |
. Every man, woman and child ______ some history, enough at least, to survive in the world.
|
A．knows |
B．know |
C．is known |
D．are known |
. The young ______ the vital forces in our society.
|
A．is |
B．has been |
C．are |
D．have been |
. Mathematics ______ the language of science.
|
A．is |
B．has been |
C．are |
D．have been |
