_________ we are very young, _____________ we can speak English well.
| A．Though; but | B．Because ; so |
| C．Though; / | D．Because; / |
Now children, turn to Page _____ and look at the _____ picture in Unit 1.
| A．Twentieth, one | B．Twenty, one |
| C．Twentieth, first | D．Twenty, first |
There is ______ “u” and ______ “s” in the word “use”.
| A．a; a | B．an; an |
| C．a; an | D．an; a |
I don’t like physics ______ it’s too difficult for me.
| A．and | B．so | C．because | D．but |
—_____ do you _____ the book?
—It’s very interesting.
| A．What; like | B．What; think of |
| C．How; think | D．How; think of |
—Your new dress looks very nice!
—_____
| A．Yes, it is so nice. | B．Where? Where? |
| C．Thank you. | D．That’s all right. |