How many ________ are there in the school?
A. librarys B. classes C. glass
The scientist has had a researchweather for more than 30 years.
| A．in | B．on |
| C．at | D．From |
She was veryus for informing her of her son’s safe return.
| A．grateful to | B．grateful for |
| C．grateful | D．grateful with |
Your advice will help memy English.
| A．afford | B．cure |
| C．improve | D．Affect |
—Has she hadfor the job?
—Yes, she has taught English for more than 10 years.
| A．enough experience | B．enough experiences |
| C．many experiences | D．much experiences |
—Mum, I want to have some milk.
—There is none. What about orange juice?
| A．have | B．leaving |
| C．left | D．Leaves |