We will go climbing _______ it ________ tomorrow.
| A．if, rains | B．if, will rain | C．unless, rains | D．unless, will rain |
It is very important for us_____ English well.
| A．learn | B．learning |
| C．to learn | D．learned |
Kate is _______than Betty.
| A．tall | B．taller |
| C．the tallest | D．too tall |
Tom can make his kite______ higher in the sky
| A．fly | B．flies |
| C．flying | D．to fly |
Jim has two brothers .One is Peter ,____is Tom .
| A．other | B．the other |
| C．others | D．another |
When you go _________ the street, you must be careful.
| A．crossing | B．cross |
| C．across | D．pass |