The math problem is _____ difficult that only _____ students can work it out.
| A．too; a few | B．so; a few | C．so; a little | D．enough; little |
We had____8-day holiday,but some of us felt unhappy because of ____heavy traffic on the highways.
| A．an;the | B．a;the | C．a;a | D．/ ; the |
附加题：从每小题A、B、C三个选项中，选出能填入空白处的最佳答案。
A．I’m fine, thanks. B．I’m fifteen. C．Nice to meet you.
A．Where, where? B．Thank you. C．No way.
A．That’s OK. B．It’s right. C．I’m sorry.
A．Goodbye. B．Excuse me. C．How do you do?
Good morning. B．Good afternoon. C．Good evening.
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—He is tall and has big eyes.
A．Who’s that boy? B．What does the boy look like? C．Where is the boy from?
This is Kate’s dress. Please .
A．give her it B．gives it to her C．give it to her
bikes are new, but are old.
A．Our, theirs B．Our, their C．Ours, their