Our classes always begin ________ and are always over ________ , too.

[　　]

A．on time, on time

B．in time, in time

C．on time, in time

D．in time, on time

________ is it since you began to learn English?

[　　]

Your mother is________ nice. I've never met ________ a nice person.

[　　]

I heard someone ________ the door and ________ in.

[　　]

A．open, come

B．opened, came

C．to open, to come

D．open, coming

We're busy getting ready for the final exams ________ .

[　　]

“Where is your mother?”

“She doesn't feel well. She is ________ .”

[　　]

A．at the doctor

B．at doctors'

C．at the doctor's

D．at the doctors'

He feels ________ .

[　　]

The policemen kept everybody ________ the accident.

[　　]

After she put on a new dress, she looked at ________ the mirror.

[　　]

He said that he had just left school ________

[　　]

A．last time

B．the last time

C．for the last time

D．before the last time