I into robots and used to make mobile phones as well as help with medical operations.
#102747
A
have put
B
have been put
C
had put
D
had been put
推荐题目
— Put these glasses away before they______. — OK, I’ll put them in the cupboard.
#101969
A
have broken
B
are breaking
C
get broken
D
will be broken
New technology ______ to make sure that the cars, taxis, buses and trains we use ______ the air.
#104707
A
is used; not to pollute
B
has used; is not polluted
C
is being used; do not pollute
D
has been used; to pollute
---- How could I thank you enough? ----Don’t mention it. Any other man ________ that.
#102253
A
would
B
will do
C
would have done
D
had done
Tim ________since he lost his job three weeks ago.
#103487
A
had been unemployed
B
was unemployed
C
has been unemployed
D
has unemployed
（2014年山东日照市高三校际联合检测）4．—How long have you been here，Susan?—Only about half an hour．Beth________here with me．【考点】考察时态
#99107
A
drives
B
has driven
C
drove
D
had driven