He knows it's almost impossible to finish the ,task he but he wants to have a try .
A. otherwise
B. anyhow
C. therefore
D. though
网友回答
A. otherwise
(答案→)B. anyhow
C. therefore
D. though
解析:A. otherwise否则,B. anyhow不管怎样,C. therefore因此,D. though虽然,句意:他知道是不可能完成任务的,但是不管怎样,他还是要试一试。所以选B。