Cars， buses and bikes stop when traffic lights change to red．（ ）
A．mayB．needC．canD．must
The waiter told me that free parking ___________ for the hotel guests．（ ）
A．providesB．provided
C．will be providedD．was provided
﹣Aamir Khan played the part of a great father in the movie The Tale of Fatherly Love．
﹣___________ excellent actor he is!（ ）
A．WhatB．What aC．What anD．How
Betty ___________ hard since last term．That's why her exam results are so good!（ ）
A．has workedB．will work
C．workedD．was working
"A white elephant"means something that is useless，___________ it may cost a lot of money．（ ）
A．unlessB．untilC．sinceD．although
Sue wasn't happy because she ___________ the concert given by her favorite singer．（ ）
A．missesB．missedC．will missD．is missing