.Americans eat______ vegetables per person today as they did in 1990.
| A．more than twice | B．as twice as many | C．twice as many as | D．more than twice as many |
This printer is of good quality. If it ______ break down within the first year, we would repair it at our expense.
| A．should | B．would | C．could | D．might |
Nobody believed his reason for being absent from the class ______ he had to meet his uncle at the airport.
| A．why | B．because | C．where | D．that |
One is expected to behave _________ on some special occasions.
| A．accurately | B．precisely | C．appropriately | D．rightly |
—What do you think of Tom?
—He has been working very hard. ______ he is an advanced worker.
| A．No wonder | B．No doubt | C．No worry | D．No problem |
After seven hours’ drive, they reached ______ they thought was the place they had been dreaming of.
| A．that | B．what | C．where | D．which |