第二部分:英语知识运用
第一节:单项选择(共15题;每小题1分,满分15分)
21----Watch!
----I___but I ____anything unsual.
 A.watched, saw                            B.have watched,see 
 C.am watching,am not seeing                 D.am watching,don’t see
22.—— I m not feeling well today.
——Why not _____ some medicine?
A.take    B.to take    C.taking    D.you take