26.Our teacher always sees the _______ side of everything.
A. spot B.negative C.efficient D.robot
27.If you want to make a call, first, pick up the _______,then deposit a coin in the slot.
A. receiver B.speaker C.microphone D.hook
28.The service in this restaurant is not good. Even the _______ is very dirty.
A. milk B.salad C.soup D.menu
29.I am _______ enough to make up my own mind. You do not need to teach me.
A. young B.mature C.numerical D.guarantee
30.I’m _______ you’ve made the right choice.
A. bond B.confident C.double D.gravity
26.B 27.A 28.D 29.B 30.B