—So many problems! I’m tired.—You should try to them by yourself. You are not a child any longer.
When we went into the park, we saw someone _____ Chinese Kungfu.
—Can you give this book ____ Jack? —Yes, I can.
—Have you ever _____ Mudanjiang to see the Jingbo Lake? —Yes, I have.
You’d better speak aloud ______ we can hear you.
Xiao Li had an accident yesterday _____ he is in No.1 People’s Hospital now.