1.         ——I' m afraid that I can’t finish the task as soon as planned.
——        .
A. Don't be afraid  B. Don't mention it C. I suppose so                       D. Take your time
2.         In 1778,Banks was elected        president of the Royal Society,         position he held for 42 years.
A. the; the                B./;a                       C. a; a      D/;the
3.         Authorities face a(n)        task to persuade typhoon survivors to abandon their flood-stricken villages and relocate to lower and safer lands.
A. complex               B. tough                       C. easy                         D. sharp