It’s very friendly ______ him to help me when I’m in trouble. [ ]

We should plant more trees on sides of the street.

If the question________ correctly, you will have a chance to visit Disneyland.—Great. I believe I can do it.

Your coat looks very nice. What’s it made _______? —Cotton, and it is made _______Wuhan. [ ]

We can’t live _____ air _____ water. [ ]