—What can I do for you?—______.
| A．No，not | B．Don't help me |
| C．Yes，help me | D．Yes，please |
— ________ do you like history?
— Because it is interesting.
| A．When | B．How | C．Where | D．Why |
We have ______ at 7 in the morning.
| A．breakfast | B．lunch | C．dinner | D．dessert |
Let us_________ now.
| A．watch TV | B．to watch TV |
| C．watches TV | D．watching TV |
— How much are the shorts?
—______ 20 dollars.
| A．It is | B．They are | C．He is | D．You are |
—______?
—He is thirteen.
| A．How old is he | B．How is he |
| C．Where is he | D．How much is it |