25. A: Are you going to the concert tonight?
B: No, I have to stay home and _______ my little brother.
(A) watching
(B) watches
(C) watch
(D) watched
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統計: A(1), B(1), C(26), D(1), E(0) #4062403
統計: A(1), B(1), C(26), D(1), E(0) #4062403