The engineers are going on with their highway project, _____the expenses have risen.
| A．even though | B．just because | C．now that | D．as though |
Before ___ a loan ____, calculate (核算) your monthly costs.
| A．taking; off | B．taking; away |
| C．taking; out | D．taking; over |
Diets are most effective when _____ with exercise.
| A．combined | B．converted | C．contained | D．claimed |
Research _____ that over 81% of teachers are dissatisfied with their salary.
| A．contrasts | B．indicates | C．highlight | D．reveal |
His work _____ have been completed; otherwise, he wouldn’t be enjoying himself on the beach.
| A．should | B．shouldn’t | C．can’t | D．must |
Many wage earners in big cities find they may only have enough to ____ their houses, cars and other costs of living and have little extra money to invest.
| A．pay off | B．pay for | C．pay back | D．pay |