— Is this the painting ____ you offered $1,000 for on the Internet?
—Yeah,I will give you 15% discount if you like it.
| A．when | B．which |
| C．as | D．what |
If I were in _______position of the mayor, I wouldn’t allow _______factory like this standing on the bank of the Yangtze River．
| A．a；the | B．the；\ | C．the；a | D．\；the |
By looking at a problem in as many ways as possible, creative thinkers can find solutions that would _______ remain invisible．
| A．otherwise | B．yet | C．already | D．forever |
—What has made him upset recently?
—_______ alone to face a troublesome milk case．
| A．Left | B．Being left | C．Having left | D．To leave |
When he realized the police had spotted him, the man _______the exit as quickly as possible．
| A．made off | B．made for | C．made out | D．made up |
—Where is Tom?
—Well, he______ you_______ here．Otherwise he would come down right now．
| A．didn’t know；were | B．hasn’t known；are |
| C．doesn’t know；are | D．hadn’t known；were |