US First Lady Michelle Obama encouraged（鼓励）students to study abroad in her ____when visiting Peking University (北京大学) on March 22, 2014.
| A．story | B．speech |
| C．letter | D．diary |
She likes doing her homework _______ the radio _______.
| A．to, with | B．on, with | C．with, on | D．with, open |
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 |