You will find ______ useful to learn even a little English.
| A．it | B．it was | C．that | D．this |
-----you happy? -----.
| A．Are; Yes, I am. | B．Do; Yes, I do. |
| C．Are; Yes, you are. | D．Do; Yes, you do. |
I will go to the USA next week. Can you ________ my dog for me?
| A．look after | B．look for |
| C．look at | D．look up |
_______ your brother good at English?.
| A．Are | B．Is | C．Do | D．Does |
He likes playing football, so he wants to buy football.
| A．a; a | B．/; / |
| C．/; a | D．the; a |
The number of students in our class ______ fifty, but a small number of them ______from the country.
| A．are, is | B．is, is |
| C．is, are | D．are, are |