My wallet is nowhere to be found.I_____it when I was on the bus.
A、mustdrop
B、shouldhavedropped
C、haddropped
D、musthavedropped
Children who are over-protected by their parents may become_____.
A、hurt
B、tamed
C、destroyed
D、spoiled
Yourbikeneeds_____.You‘dbetterdoirightnow.
A、clean
B、tobeclean
C、beingcleaned
D、toclean
Hewasvery_____togo，buthehadnochoice.
A、ready
B、willing
C、reluctant
D、hesitant
It ‘s_____my power to make final decision on the matter.
A、off
B、out
C、above
D、beyond