-----Mr. Smith, can I come to ask for some advice on my paper at any time? -----Yes, of course. .
#2649
A
If you’re convenient
B
At your convenience
C
That’s right
D
Don’t mention it
推荐题目
–It’s raining heavily. Let’s stand under that big tree.–______________. It’s very dangerous to do so in such weather.
#22439
A
We don’t have to
B
Let’s go
C
All right
D
We’d better not
— Can you keep an eye on my bag, Tom? I just want to use the bathroom.—____. It will be safe with me.
#1820
A
Go ahead
B
I think so
C
Not at all
D
You’re welcome
—Would you mind my opening the window?—_______ . It’s cold today.
#23687
A
Better not
B
You are welcome
C
Of course not
D
I’m sorry to hear that
---Have you paid ? What’s my share of the bill? ---____. It wasn’t very much.
#1216
A
Don’t worry about it.
B
It’s my share.
C
None of your business.
D
It’s up to you.