________ your father a teacher?
#44215
A
Is
B
Do
C
Can
D
Are
推荐题目
Knowing how to think clearly and how to speak correctly ________ one confidence.
#85629
A
give
B
has given
C
have given
D
gives
--- Have you heard that Jones, along with her parents, to Hainan for the winter vacation?--- Really? No wonder I haven’t seen her these days.
#85653
A
had been
B
have been
C
has gone
D
have gone
Every possible means ________ to prevent the air pollution，but the sky is still not very clear.
#85546
A
were using
B
have used
C
has been used
D
was used