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Don’t worry ______ him. He will be back soon.
A. of B. for
C. about D. at
Don't worry ______ him. He'll be here ______ seven.
[ ]
A. for, to B. about, in C. about, at D. from, before
Don't worry ________ him．
A．for
B．to
C．about
Don’t worry about him.He’s old enough to_______himself.