Scientists say it may be five or ten years _______ it is possible to test this medicine on human patients.
| A．after | B．before | C．since | D．when |
Compared with male graduates, a(n) ______ small number of female graduates can get employed when they go job-hunting.
| A．casually | B．relatively | C．roughly | D．gradually |
Reading the job ad, he wondered whether he was ______ to apply for it.
| A．qualified | B．typical | C．dynamic | D．approachable |
Plans have been proposed ______ the largest dam in the world to be built along the Congo river.
| A．of | B．with | C．for | D．on |
The actress received an award for her ______ to charity work.
| A．addiction | B．devotion | C．allowance | D．application |
Our physics teacher and English teacher always give their lessons in a lively and clear way, ______ greatly benefits us students.
| A．from which | B．in which | C．that | D．which |