Letterboxes are much more ____ in the UK than in the US, where most people have a mailbox instead.

A. common  B. normal      C. ordinary    D. usual

--Did you know that Tom got an A in the exam?

---Yes, but he must have cheated in the exam, if I'm not _________.

A. appropriate    B. straightforward    C. harmful      D. mistaken

 It was most _______ of you to lend me the money when I was in trouble．

A．grateful     B．generous   C．gentle      D．guilty

She said she was in great need of such a table and asked me how much ______table would cost.

A. such a beautiful wooden round      B. one such beautiful round wooden

C. one such round beautiful wooden         D. such a round beautiful wooden.

 I hope you will prove _____to the job.

A. adequate         B. abundant        C. accurate         D. attached

He is a highly _____doctor throughout the town.

A. respective       B. respected        C. respectful       D. respecting

The ______ amount of money was not known though they knew it was large.

A. real                 B. exact              C. possible        D. great

I thought we’d be late for the concert, ______ we ended up getting there ahead of time.

   A. but     B. or     C. so     D. for

A prisoner escaped from the prison last night. It was a long time _______ the guards discovered what had happened.

A. until         B. since         C. when         D. before

 Native English speakers can understand each other ________they don’t speak the same kind of English.

A. only if          B. so long as           C. in case         D. even if