题目内容
16、We _____ on this project for four hours． Let’s have a rest．
A． are working B． have been working
C． worked D． had worked
试题答案
16、B
We _____ on this project for four hours．Let’s have a rest．
A．are working B．have been working
C．worked D．had worked
查看习题详情和答案>>We _____ on this project for four hours． Let’s have a rest．
A． are working B． have been working
C． worked D． had worked
查看习题详情和答案>>We ________ on this project for four hours．Let's have a rest．
are working
have been working
worked
had worked
We ________ on this project for four hours．Let’s have a rest．
A．are working
B．have been working
C．worked
D．had worked
We _________ on this project for four hours．Let's have a rest．
are working
have been working
worked
had worked
We ________ on this project for four hours．Let's have a rest．
A．are working
B．have been working
C．worked
D．had worked
We ________ on this project for four hours．Let's have a rest．
A．are working
B．have been working
C．worked
D．had worked
We_______on this project for four hours. Let’s have a rest.
| A．are working | B．have been working | C．worked | D．had worked |