__________ the website of the Fire Department in your city, and you will learn a lot about firefighting.
| A．Having searched |
| B．To search |
| C．Searching |
| D．Search |
Your suggestion sounds interesting, but they need a (n) __________ one to get out of the mess.
| A．impressive | B．traditional | C．practical | D．similar |
The headmaster has retired but no one knows who will __________ him in the post.
| A．follow | B．succeed | C．remove | D．achieve |
Progress __________ so far very good and we are sure that the work will be finished on time.
| A．was | B．had been | C．has been | D．will be |
Before you make a plan, you'd better __________ the advantages and disadvantages of it.
| A．take | B．weigh | C．feel | D．judge |
—You can't imagine __________ fantastic fun web chatting is.
—Really? But it may cause a lot of trouble sometimes.
| A．what | B．how | C．why | D．so |