Mr. Keller ______ forty cigarettes a day until he gave it up.
| A．had smoked | B．smokes | C．have smoked | D．smoked |
Stand over there _____ you will be able to see the oil painting better.
| A．but | B．till | C．and | D．or |
The old farmer has two daughters, _______ is kind to him, _______makes him very sad.
| A．neither of whom; which |
| B．neither of them; which |
| C．both of whom; which |
| D．both of whom; that |
When we worked in the same office，we _______ often have coffee together.
| A．could | B．should | C．would | D．ought to |
It was when she was sleeping in her bedroom __________ a thief broke into the house.
| A．which | B．that | C．where | D．than |
________ take the aeroplane all the way, they decided to fly to Vancouver and then take the train from west to east across Canada.
| A．Instead of | B．Rather than | C．As well as | D．In addition to |