The volunteers kept on searching for the missing people in the earthquake, _____they were hungry and tired.
Our English teacher speaks very loudly ______ all the students can hear him clearly.
I don't know ______ next time.
If you want to know how a word is used,you can ______ it ______ in a dictionary.
—What are you doing now,Jim?—I'm surfing the Internet.I want to find ______ on it.
—Sorry,but I didn't quite catch what you said.Would you please ______ your email address? —OK.It's andy 19840313@126.com.