- What about going to the natural park tomorrow?
-Good idea, in my opinion，__________ we can return before dark.
| A．now that | B．then |
| C．provided | D．though |
Mr. Smith is always on time for everything. How ________ it be that he was late for the flight?
| A．can | B．must | C．may | D．need |
the newspaper carefully ,and we’ll find different types of articles on the pages
| A．Read | B．Reading | C．To read | D．Having read |
to advertisements constantly can help to change people’s opinions over time
| A．Exposed | B．Being exposed | C．Exposing | D．To be exposed |
-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 |