Most whales must come up for air after several minutes, _______ a few can stay under water for an hour or more.
| A．while | B．or | C．for | D．so |
Jude,seated in a chair and lost in thought, gave me a sudden look, as if,“Are you kidding?”
A. to say B. to have said C. said D to be saying
However, when ______teams to complete tasks at school, we are often hardly aware of this.
| A．forming | B．to form | C．formed | D．be forming |
.After staying in hospital for long, the patient was advised to go to the seaside to
his health.
| A．take up | B．carry up | C．pick up | D．make up |
Please remember _____ wins you respect is not your background but your knowledge and virtues.
| A．that | B．what | C．which | D．where |
I find it astonishing that she _____ treat you like this in public.
| A．should | B．must | C．may | D．would |