He has no money nor friends here. That’s why he ______ sleep in the street.
| A．must | B．has to | C．should | D．may |
-May I trouble you with the question?
-Sorry, but it is______ my knowledge.
| A．from | B．off | C．beyond | D．to |
You can never be_____ careful ; the road is icy and slippery.
| A．very | B．too | C．quite | D．rather |
I can’t fully understand what his music conveys, his performance is quite impressive.
| A．As | B．Since | C．If | D．While |
—Could I borrow the book by Mo Yan?
— .
| A．Yes, you could | B．You’re welcome | C．By all means | D．I am afraid so |
Finally, the team reached the top of the mountain, they found some rare plants.
| A．why | B．which | C．where | D．as |