About two _________boys took part in the running race.
A．hundred B．hundreds C．hundreds of D．hundred of
－What trouble do you have when you learn English?
－ __________the grammar in a right way.
A．Use B．To use C．Using D．To using
Let’s go to Maxwell to buy the fruit because the price there is quite _____. We can pay less.
A．cheap B．expensive C．low D．high
－Is that your bike, in front of the black one?
－No. It’s ______.
A．mine B．his C．her D．your
Ben needs a new jacket to keep ________the cold.
A．of B．out C．from D．with
Most of _______ads don’t tell you anything real.
A．a B．an C．/ D．the
