-- Did you read a book about customs last week?
-- Yes, I found ______ very useful to know the customs of foreign countries.
| A．that | B．this | C．it’s | D．it |
There are many trees on sides of the river.
| A．every | B．each | C．all | D．both |
There a food festival next Wednesday.
| A．has | B．is going to have |
| C．have | D．is going to be |
My father was watching TV ______ my mother was cooking.
| A．when | B．until |
| C．while | D．as soon as |
You’ll have an English exam tomorrow. You’d better watch TV this evening.
| A．to not | B．not to |
| C．don’t | D．not |
There are ________ of students in our school, but only ________ of them are girls.
| A．hundreds; two hundred | B．hundred; two hundreds |
| C．hundreds; two hundreds | D．hundreds; two hundreds |