He hasn’t come back home the end of last week.
| A．until | B．since | C．at | D．in |
---Let's play baseball.
---_______ .
| A．Yes , I do. | B．That sounds good |
| C．Sorry, I don't | D．No, I don't. |
—What color is your orange
—It’s ________.
| A．an orange | B．black |
| C．orange | D．blue |
Here _______my books.
| A．are | B．is | C．am | D．be |
---- Where is your book?
----
| A． Sorry, I don’t know. | B．Do, have |
| C．Its here. | D．Does, have |
Thanks _____ your help(帮助) .
| A．you | B．at | C．for | D．of |