In winter, we must pay attention to _________.
| A．keep warm | B．keep warmly | C．keeping warm | D．keeping warmly |
He thinks watching movies ________.
| A．frustrated | B．frustrating | C．frustrate | D．to frustrate |
When we practice speaking English, we often end up _______ in Chinese.
| A．to speak | B．speak | C．spoken | D．speaking |
There is ______ “u” and ______ “s” in the word “bus”.
| A．a, a | B．a, an | C．an, an | D．an, a |
-- Do you think the chicken taste_______?--She cooked it ______, I think.
| A．good, well | B．well ,good | C．good, good | D．well, well |