Our teachers often tell us not _______ the street when the traffic light is red.
| A．cross | B．to cross | C．crossing | D．crossed |
There ______ a large number of students in our school. The number of the students _______ over three thousand.
| A．is, is | B．are, are |
| C．is, are | D．are, is |
There is a test tomorrow. So Tom is busy _______ for it.
| A．prepare | B．ready |
| C．preparing | D．get ready |
The wetland can ________ food and shelter ______ plants and animals, including different kinds of birds.
| A．provide…for | B．provide…with |
| C．make…for | D．provides…for |
You will find _______ useful to learn even a little English.
| A．that | B．it | C．this | D．They |
–-What do you think of _______ phone you bought last week?
---It’s really________ ideal one for me.
| A． a; the | B．an; an |
| C．the; a | D．the; an |