4. Have you heard of the town when they built the dam?
| A．submerge | B．submerging | C．being submerged | D．submerged |
After Jack had sent some e-mails, he______ working on his project. (2012 .山东)
| A．had started |
| B．has started |
| C．started |
| D．starts |
Is honesty the best policy? We ______that it is when we are little.
| A．will teach |
| B．teach |
| C．are taught |
| D．will be taught |
Only ________ can you hope to make improvement in the operating system.
| A．by the way |
| B．on the way |
| C．in a way |
| D．in this way |
—______ the only house of Mr Smith got completely burnt out?
—That's right.
| A．Had |
| B．Has |
| C．Was |
| D．Is |
How do you ______ a car accident when it happens?
| A．do without |
| B．do with |
| C．deal with |
| D．deal in |