—Welcome to Haikou, Lucy!—________. A. Thanks. B. That’s OK. C. How do you do?
The ________ song can help us be ________.
Don’t work under the sun in this ________.
—Where are the Greens?—They are in Guilin ________ vacation.
Don’t look out, please look ________ me.
The weather is very cold, but everyone ________ having a good time.