50
They thought we were late, but my husband and I（B） at the railway station. A.
were already B.
had already been C.
would already be D.
would already have been 51
At the Mayan ruins, we imagined what it（A） like 1,300 years ago when 30,000 people lived here. A.
must have been B. must be C.
should have been D. should be 52
If David hadn't wasted his money gambling in Las Vegas, he（A） to Canada with us next week. A. would go B. should go C.
would have gone D.
should have gone 53
By this time next year, I（D） . and I will already be looking for a job. A.
will graduate B.
am graduating C.
have graduated D.
will have graduated 54
（B）she always did well on her math tests, her parents were not surprised that she got an A.
A. When B. Since C. While D. After 55
The robber passed the bank clerk a bag and told her to fill it with money, （C）she did. A. what B. that C. which D. of which 56
After（D）on eBay, a person can search for an item that he or she is looking for and view pictures of the item.
A. register B.
registered C.
being registered D.
registering 57
In Australia, like in other countries, the Asians make their influence（A） in businesses large and small. A. feel B. feeling C. felt D. to be felt 58
According to IQ scores, you are smartest from 18 to 25, but you're wiser and more experienced（B）increasing age.
A. for B. with C. at D. of 59
The animals, highly sensitive to pollution, can （A） monitors of water quality. A. serve as B. work for C. make up D. take on 60
The complaint would be more（C） if the customer could show us the receipt of the product. A. genuine