— Hi, Tom. Any idea where Jane is?
— She ______ be in the classroom. I saw her there just now and she said she wouldn’t go anywhere.
| A．must | B．may | C．can | D．should |
Rather than ___ on a crowded bus, Tom always prefers __ a bicycle.
| A．ride; ride | B．riding; ride | C．ride; to ride | D．to ride; riding |
Perseverance is a kind of quality --- and that’s ________ it takes to do anything well.
| A．why | B．that | C．which | D．what |
A heavy learning burden leads to unhealthy behaviors such as poor eating habits, which ___ damage the health of students.
| A．in its turn | B．in return | C．in turn | D．by turns |
How did you ___ to paint the whole house in a week?
| A．try | B．manage | C．win | D．succeed |
Black clouds had completely ___ the sun.
| A．blocked off | B．broken out | C．blocked out | D．broken off |