I want to buy a hat, but there are so many kinds that I can’t decide to take.
| A．which | B．when | C．how | D．where |
Many students think hard to learn English well.
| A．that | B．it | C．this | D．its |
There are about five people in the town, mainly the old and children.
| A．hundred | B．hundreds | C．hundred of | D．hundreds of |
—I don’t know much about computer.
—I don’t know,. Let’s go and ask our computer teacher for help.
| A．also | B．either | C．too | D．as well |
Ben, we all went to the history museum, because he had to care for his sick mother.
| A．For | B．Like | C．But | D．Except |