— These grapes look really beautiful.— They _______! See the price $3.99 a pound. Very expensive, aren’t they!
.We’ve published large quantities of books This year _______we’ve published threemillion copies.
.I’ll go to America to strengthen my English _______it isn’t too expensive.
.These achievements_______ without the contribution of Qian Xuesen, a key leader of the New China's nuclear, missile and so on.
.—How about going out for a picnic on Sunday morning? —Hmm.___.The weather is very good these days.
.Greatly frightened by the terrible scene, _______.