_____the problem of land erosion getting more serious, the government is searching for a way to deal with it.
| A．As | B．With | C．When | D．If |
— Don’t be disappointed. Have another go, OK?
— ____.
| A．With pleasure | B．It’s my pleasure | C．That’s all | D．Good idea |
Every student in our class had an application form in his hand, but no one knew which office _____.
| A．to send it to | B．to send it | C．to be sent to | D．to have it sent |
— Why is the librarian looking so hard at me?
— You ____ to read aloud in the reading room
| A．don’t suppose | B．haven’t supposed | C．are not supposed | D．were not supposed |
____ we have finished the course, we shall start doing more revision work.
A. For B. Now that D. By now D. Until
Shopping on line can provide ____ convenience and choice, but not ____ websites are safe enough for shopping.
| A．either; both | B．neither; any | C．both; both | D．both; all |