—You were brave enough to argue with Mr. Smith. —Well, now I regret _______ that.
#88694
A
to do
B
to be doing
C
to have done
D
having done
推荐题目
________ his job application carefully, he emailed it to the company where he wanted to work.
#96378
A
Having checked
B
Checked
C
Checking
D
To have checked
(2013·福建，22)________ basic first－aid techniques will help you respond quickly to emergencies.
#89233
A
Known
B
Having known
C
Knowing
D
Being known
Last year the number of death increased by 2%-5% ______ the year before last.
#96077
A
comparing to
B
comparing with
C
to compare with
D
compared with
He is said _______ for the International Criminal Police Organization for many years.
#95653
A
to working
B
to work
C
to have worked
D
working