Unluckily, when I dropped in , Dr. Smith ____, so we only had time for a few words.
| A．was just leaving | B．has just left | C．had just left | D．just left |
I don’t understand how he can say that everything is fine _____ it’s so obvious that it’s not.
| A．unless | B． in case | C．so that | D．when |
Please remember to _____ a stamp _____ your envelope before you post it to your friend.
| A．attach; to | B．fasten; to | C．tie; to | D．stick; by |
--- Have you heard that Mo Yan was awarded the Nobel Prize in Literature last year?
--- _____. He has made a positive contribution to that field.
| A．Congratulations | B．You must be joking |
| C．He deserves it | D．By no means |
The boy talked his mother _____ buying him a home computer.
| A．of | B．over | C．to | D．into |
We have been looking at houses, but haven’t found _____ we like yet.
| A．one | B．ones | C．them | D．it |