精选优质文档-倾情为你奉上介词练习1:( ) 1.Tom sits_the classroom while John sits_the room. A. in front of; at back of B. in the front of; at the back of C. in front of; at the back of D. in the front of; at back of ( ) 2.Lucy sits_ the third row, _Jims left. A. on; on B. in; at C. at; in D. in; on ( ) 3.Dont read _ the sun. Its bad _ your eyes. A. in; to B. under; for C. with; to D. in; on ( )4.The woman_ a blue dress is my teache