such heavy pollution already, it may now be too late to clean up the river.
| A．Having suffered |
| B．Suffering |
| C．To suffer |
| D．Suffered |
It’s the test system rather than the teachers ________to blame for the students’ heavy burden nowadays.
| A．who are | B．whom is | C．that is | D．that are |
Taking this kind of medicine, if ________, will do harm to health.
| A．continue | B．continued | C．to continue | D．continuing |
—The hall___ for international conferences is of great importance
—I see, and we are sure to complete it on time
| A．built | B．to be built |
| C．having been built | D．building |
Since Tom ___ downloaded a virus into his computer, he can not open the file now．
| A．readily | B．horribly | C．accidentally | D．irregularly |
Many Chinese universities provide scholarships for students_____ financial aid.
| A．in need | B．in honor of | C．in face of | D．in need of |