We will write a letter to you as soon as I________free time．
A．have B．had C．will have D．am having
We heard someone________in the next room．
A．singing B．to sing
C．sang D．sings
________our surprise，he went out of the forest by himself．
A．To B．For C．At D．With
They had the same opinion．I was also agreement．
A．for B．in C．with D．over
Don’t be hard________yourself．You should learn to relax yourself．
A．to B．on C．with D．of
They heard the boys________loudly in the classroom when they passed by．
A．talking B．talked C．to talk D．talks
