Leaders of many countries have been trying to _____ what it is that makes China develop so fast．
A．carry out B．figure out C．break out D．watch out
The computer system _____ suddenly while he was searching for information on the Internet．
A．broke down B．broke out C．broke up D．broke in
—You’re always working．_____, let’s go shopping．
—All you ever want to do is going shopping．
A．Take your time B．Don’t worry
C．Come on D．Take it easy
—I’ve studied growing plants as one of my interests．Could I make some suggestions?
—___________．
A．You will make it B．Go right ahead
C．Don’t mention it D．Take it easy
His illness _____ his absence．
A．showed B．accounts for C．explains D．gives out
You’ve been so kind to us that we will always be deeply _____．
A．out of debt B．in your debt C．in trouble D．in danger
