This printer is of good quality. it break down within the first year.
| A．Should | B．Would | C．Could | D．Might |
Tom ate a big cake only a few minutes ago. ______ he is not hungry.
| A．No wonder |
| B．No problem |
| C．No doubt |
| D．No more |
______ we gave him something to eat, he would save it up for his little sister.
| A．Whatever |
| B．However |
| C．Whenever |
| D．Whichever |
--All students must hand in your exercises right now.
-______ We don’t have enough time to finish them.
| A．It doesn’t make sense. |
| B．You said it. |
| C．Forget it. |
| D．It’s up to you. |
Smoking is one of the ______ cause of cancer, killing millions of people each year.
| A．major |
| B．similar |
| C．appropriate |
| D．casual |
______ his father’s letter, he decided to make a call to him.
| A．Having seen |
| B．Having been seen |
| C．Not having received |
| D．Having not received |