3.Here are some _______ for you to follow when you take a test in chemistry.
| A．pattern | B．tips | C．date | D．Efforts |
My visits will encourage people _the project to devote themselves to it.
| A．work on |
| B．working on |
| C．being working |
| D．work |
It’s necessary to prepare for a job interview.the answers ready will be of great help.
| A．To have had |
| B．Having had |
| C．Have |
| D．Having |
The UN charter that had four main purposes operates programmes to help people around the world.
| A．basing on |
| B．bases on |
| C．based on |
| D．is based on |
in the accident, the unfortunate driver felt upset.
| A．Involving |
| B．To involve |
| C．Involved |
| D．Being involved |
The Beatles,many of you are old enough to remember, came from Liverpool.
| A．what |
| B．that |
| C．how |
| D．as |