I think the biggest problem in banning smoking is ______ people can buy cigarettes easily.
| A．that | B．whether | C．where | D．how |
---Well, it’s too late.I have to go. ---OK.____!
| A．See you | B．Goodbye | C．You’ve to go | D．both A and B |
He’s rather walk than ___ a bus in the rush hour.
| A．take | B．to take | C．taking | D．took |
I’m quite familiar ___ the writer who wrote these songs.
| A．to | B．for | C．with | D．at |
We made plans for a visit but _____ difficulties with the car prevented it.
| A．consequent | B．subordinate |
| C．substantial | D．subsequent |
He didn't _____ what I read because his mind was on something else.
| A．hold on | B．catch on | C．take in | D．get over |