精选优质文档-倾情为你奉上并列句及并列连词(高考题)1. _ at the door before you enter my room, please.A. Knock B. Knocking C. Knocked D. To knock2. Before you quit your job, _ how your family would feel about your decision.A. consider B. consideringC. to consider D. considered3. There is little doubt in your mind that he is innocent, _?A. is there B. isnt there C. is he D. isnt he 4. _ a strange plant! Ive never seen it before.