This robot is supposed to save a lot of labor, but it remains a problem if it __
题型:不详难度:来源:
This robot is supposed to save a lot of labor, but it remains a problem if it ______. |
答案
C |
解析
do(es) 是代动词,用来代替上文save a lot of labor。 |
举一反三
In a few years’ time, there ______a lot of trees around the house.A.will have. | B.will be | C.are have | D.have. |
|
----When __________ they leave here ? ----Next Monday. |
— Did you watch the programme I Am a Singer on Friday night? It was wonderful. — I wish I had, but I ____________ for the mid-term examination.A.prepared | B.was preparing | C.had prepared | D.would prepare |
|
There _________a book and three pens on my desk just now,but now there is nothing on it. A. had B. were C. was |
They are living with their parents for the moment because their own house ____.A.is being rebuilt | B.has been rebuilt | C.is rebuilt | D.has rebuilt |
|
最新试题
热门考点