People who don’t smoke have less _____ of suffering from lung cancer than those who do.
It’s the test system rather than the teachers ________to blame for the students’ heavy burden nowadays.
Taking this kind of medicine, if ________, will do harm to health.
—The hall___ for international conferences is of great importance —I see, and we are sure to complete it on time
Since Tom ___ downloaded a virus into his computer, he can not open the file now.
Many Chinese universities provide scholarships for students_____ financial aid.