—____________ —I can’t find my wallet. There’s a student card in it.A. What’s up? B. What are you doing?C. Are you all right?
Betty will ring me up when she ________ in Beijing.
We don’t know ________ it next. Let’s go and ask Mr. Li.
I’m glad to find that many trees ________ in our city last year.
The more you smile, the ________ you will feel.
–Mr. Wang, can I finish my homework tomorrow? --Sorry, you ________.