__________the AI robots __________earlier, the production efficiency would have been improved.
A.Were; invented | B.Had; been invented |
C.Had; invented | D.Have; been invented |
更新时间:2019-02-02 02:31:33
|
相似题推荐
单项选择
|
适中
(0.65)
真题
名校
【推荐1】But for their help, we ________ the program in time.
A.can not finished | B.will not finish |
C.had not finished | D.could not have finished |
您最近一年使用:0次
单项选择
|
适中
(0.65)
名校
【推荐2】—Where have you been?
— I ________ in the heavy traffic. Otherwise, I ________ here earlier.
— I ________ in the heavy traffic. Otherwise, I ________ here earlier.
A.got stuck; would have come | B.got stuck; had come |
C.have got stuck; would come | D.had got stuck; would come |
您最近一年使用:0次
单项选择
|
适中
(0.65)
名校
【推荐1】Lucas failed his driving test again. ________ harder, he ________the test now.
A.If he practiced; would pass |
B.Had he practiced; would pass |
C.Did he follow; would have passed |
D.Should he practice; would have passed |
您最近一年使用:0次
单项选择
|
适中
(0.65)
【推荐2】一____it snow tomorrow,what would we do?
一In that case,we'11 have to stay at home.
一In that case,we'11 have to stay at home.
A.Will | B.Must | C.Might | D.Should |
您最近一年使用:0次