David works in the restaurant _____ a waiter.[ ]
A. like
B. for
C. to
D. as
答案:D
We are confident that the environmenr by our further efforts to reduce pollution
A.had been improved
B.will be imroved
C.is improved
D.was improved
1935年10月19日,中央红军到达(),胜利完成二万五千里长征。
A.陕西延安
B.四川甘孜
C.陕北吴起镇