—Is that Tom in the teachers' office?
--No, it ________ be him. He's gone to the hospital.
| A．musn't | B．shouldn't |
| C．can't | D．needn't |
Mother Teresa devoted her life _______ caring _____ the poor.
| A．for, to | B．for, for | C．to, for | D．to, to |
That is the cook ______ came from London.
| A．that | B．which | C．/ | D．Who |
Bruce an astronaut last year.
| A．is selected to become | B．was selected to as |
| C．is selected to as | D．was selected to become |
He worked an artist for 10 years.
| A．/ | B．like | C．as | D．about |
Neil Armstrong is the first man .
| A．walk on the moon | B．walk on moon | C．to walk on the moon | D．to walk on moon |