The art club is for members only. You can’t go in _______ you are a member.
A．unless B．because C．if D．though
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
