The number of foreign students attending Chinese universities _____ rising steadily since 1997.
| A．is | B．are | C．has been | D．have been |
The findings support another study which showed that being happy ______ reduce the risk of heart disease.
| A．need | B．shall | C．must | D．can |
If you want to get your ability ______, you have to show it in your work rather than complain all day.
| A．to recognize | B．recognizing |
| C．being recognized | D．recognized |
As is known to all language learners, newly learnt words will soon be forgotten unless ______.
| A．exactly | B．finally | C．frequently | D．gradually |
There is a common belief among the students in our school ______ they should try their best to learn and reach the peak of their academic performances.
| A．that | B．which | C．if | D．whether |
He turned from side to side, eyeing himself in the mirror with a serious, studied ______ that soon changed into a smile.
| A．impression | B．expression | C．conclusion | D．information |