— I wonder why he has been acting so strange these days.
—Recent pressure at work may_____ his behavior.
| A．account for | B．make for |
| C．change for | D．stand for |
Early this year, thousands of migrant _______ workers cancelled their insurance due to the lack of _______ policy to transfer insurance between difference regions.
| A．the; the | B．the; a | C．/; the | D．/; a |
He didn’t make clear when and where the meeting would be held.
A. this B. that C. it D these
It's high time that we students ______ even harder at our lessons as the national entrance examination is coming nearer.
| A．work | B．will work | C．worked | D．have to work |
Although she is only 17 years old, she _________ drugs for two years.
| A．Addicts | B．has addicted to | C．has addicted | D．has been addicted to |
The great success of this program has been largely _____ the support given by the 10 local business men.
| A．instead of | B．thanks to | C．due to | D．as a consequence |