It usually takes us twenty minutes _______ to the supermarket.
| A．walk | B．walks | C．to walk | D．walking |
My father was _______ about the ________ news.
| A．exciting; exciting | B．excited; excited |
| C．exciting; excited | D．excited; exciting |
—Have you finished your work ______?
—Yes, I have. I’ve ______ finished it.
| A．yet; already | B．already; yet |
| C．just; already | D．already; yet |
—What do you think of the four classics (名著) of China?
—They are wonderful, but I’ve read ______ of them.
| A．both | B．none |
| C．neither | D．all |
—Would you like to go and see Monsters University (《怪兽大学》) with me tonight?
—I’d love to, but I ______ it twice.
| A．see | B．will see |
| C．have seen | D．am seeing |
There are ______ stars in the Galaxy. We can’t count them.
| A．billion of | B．billions |
| C．billions of | D．billion |