---Imagination     important in science, and it helps us dream up our future.---You are definitely right. If only something         allow me to see insects and spiders magnified without getting close to them.

＿＿＿＿＿he come, the problem would be settled. 

He       have come here yesterday,        he?

---- Please tell Tom about the meeting tomorrow. ---- We ______him yesterday.It is a little late ,in my opinion.

Eye doctors recommend that a child’s first eye exam____ at the age of six months old.