By nine o’clock yesterday evening, we ______ our work.
| A．have finished | B．finished |
| C．had finished | D．finish |
—Remember this, children. ____ careful you are, ____ mistakes you will make.
—We know, Miss Gao.
| A．The more; the more |
| B．The fewer; the more |
| C．The more; the fewer |
| D．The less; the less |
There are many young trees on ______ sides of the road.
| A．every | B．each | C．both | D．all |
________ of them has his own opinion.
| A．Both | B．Some | C．Every | D．Each |
The box is_______ heavy for the girl _______ carry.
| A．too; to | B．very; to |
| C．so; that | D．enough; to |
He may come，but I'm not sure ______ that.
| A．about | B．on | C．with | D．to |