Scientists say it may be five or six years __________it is possible to test this medicine on human patients.
Many Chinese universities provide scholarships for students_____ financial aid.
Jack failed to seek a job for his poor education, though he was ____to get one to support his family.
Having seen the X-ray, the doctor decided to ________ the patient.
---Did he say something in the lecture that ______you? ----Not really, Actually I felt sleepy over his speech.
The new schoolbags and books _____by some warmhearted people arrived at the village school the day before yesterday.