大楼外围的保安人员应清除路障，指导一切无关车辆（）现场，劝导过路行人撤离现场，维持好大楼外围的秩序。
A.绕行
B.离开
C.停留
D.进入
参考答案：B
完成句子。
1. I cleaned my room yesterday. (就划线部分提问)
________ ________ you ________ yesterday?
2. Jim went to the library last night. (改为一般疑问句)
________ Jim ________ to the library last night?
3. She did her homework last night. (改为否定句)
________ ________ in our school ________ ________ soccer.
She ________ ________ her homework last night.
4. 昨天晚上他们陪着万先生去散步了.
They ________ ________ ________ ________ with Mr. Wan last night.
5. 在我们学校大部分男孩喜欢踢足球.
滨海湿地是指低潮时水深浅于多少米的水域及其沿岸浸湿地带？
