Do you believe that there’s a ______ between smoking and heart disease?
| A．combination |
| B．occasion |
| C．connection |
| D．system |
.--- How is everything going on with you in Europe?
--- Quite well, not so smoothly as I hoped, ____.
| A．though | B．instead | C．either | D．too |
A dozen family members gathered at the table _____ were traditional local foods such as preserved ham sausage.
| A．what | B．which | C．that | D．where |
. When we arrived in the middle of the night, there was no food ______ as all the shops were shut.
| A．left | B．available | C．remaining | D．convenient |
After many years both countries have come to realize that neither side could ever succeed in getting rid of _____ by means of war.
| A．other | B．another | C．the other | D．others |
--- What about ___ book?
--- It’s too difficult ___ book for beginners.
| A．the; the | B．a; a | C．a; the | D．the; a |