No one expected house prices to fall，but ________ that’s exactly what happened.
A．moreover B．thus
C．anyway D．however
Let’s go to give the stranger a hand.________he’s got into some trouble.
A．Occasionally B．Obviously
C．Suddenly D．Surprisingly
—How is your plan getting along?
—I can’t carry on ________ any longer.Someone must help me.
A．single B．simply
C．alone D．lonely
—Could you ________ take care of my cat while I’m away?
—Sure.Leave it to me，please.
A．perhaps B．possibly
C．maybe D．probably
—How do you find his advice?
—What he said sounded ________，I think.
A．quite perfectly B．nice and helpful
C．very clearly D．polite or friendly
—Be careful not to drop the Ming Dynasty vase.
—Yes，we can’t be ________.
A．too careful B．very careful
C．too careless D．careless enough
