2018-03-05到2018-07-12
Unit 1 Opening Doors 第一单元测试（新）
1、 By the end of this year Mr. Smith __in our company for exactly three years.
A:is working
B:has worked
C:will work
D:will have worked
答案: will have worked
2、 I think that the Great Wall is worth ______hundreds of miles to visit.
A:to travel
B:traveling
C:traveled
D:travel
答案: traveling
3、 The n