Mary told me to wait for her at the school gate, but she didn’t appear at all.
—What a nice classroom! —It _____ every day. A.is cleaningB.has cleanedC. is cleaned
We have two ears and one mouth so that we can listen ________we speak.
Do you mind your dictionary to me?
Li Hua is taller than _________in our class.
I hope ______ a role in ____the result.