Weonthisprojectforfourhours.Let’shavearest.A．areworkingB．havebeenworkingC．workedD．hadworked

Question

We_______on this project for four hours. Let’s have a rest.

A．are working

B．have been working

C．worked

D．had worked

Answer 1

B

考察时态，根据 Let’s have a rest.可知一直都在工作。“我们一直做这个项目4个小时了，歇歇吧。”答案B。