_______in the wall behind the kitchen, the door was hard to find.
| A．To hide |
| B．Hiding |
| C．Hidden |
| D．Being hid |
Our teacher told us that _______ moon moves around ______ earth, and
________ earth circles________ sun.
| A．a, a, a, a | B．an, an, an, an | C．the, the, the, the | D．/, /, /, / |
There is egg on the table, egg is for you.
| A．a, A | B．an, An | C．an, The | D．the, An |
Let's look at the bag. Can you see _____“s”on the corner of_____ bag?
| A．a, a | B．a, the | C．an, a | D．an, the |
--Have you had ________ breakfast yet? -- No, not yet.
| A．/ | B．a | C．the | D．an |
She read the letter loudly ________ all the families could hear.
| A．because | B．since | C．when | D．so that |