My friend did’t go to the park ____ the rain.
| A．because | B．for |
| C．because of | D．as |
Long time ____ see.
| A．not | B．no | C．did’t | D．don’t |
It’s important _______ us __________English well.
| A．of, learning | B．for, to learn |
| C．of, to learn | D．with ,learn |
When winter(冬天) comes, the days get_______.
| A．short and short | B．shorter and shorter |
| C．long and long | D．longer and longer |
We __________ used computers many years ago, but now they’re everywhere.
| A．always | B．often |
| C．usually | D．hardly ever |