Mr Green showed his students some photos ________ at World Expo 2010 Shanghai.
A．taken B．being taken C．to be taken D．having taken
A group of children are looking into the box, ________ about what can be inside.
A．worried B．curious C．careful D．sorry
I must be off now. My friends ________ outside.
A．wait B．have waited C．were waiting D．are waiting
David is a great teammate. He knows well how to work with ________.
A．both B．other C．others D．another
I was about to walk over to Tom’ s seat when he ________ and left.
A．turned up B．got up C．kept up D．came up
Please do not feed the fish; they ________ die if they eat too much.
A．shall B．must C．may D．need
