1 Peter is a soldier. He ... wear a uniform.A. have

1 Peter is a soldier. He ... wear a uniform.
A. have to B. has to C.should
2 Working with snakes can be.... .
A. still. B. poisonous. C. Dangerous
3 Susan ..... play football.
A don't. B. Doesn't. C. Isn't.
4 ..... your favourite football player???
A whose. B who. C who's