heteachertoldthemsincelight________(travel)fasterthansound,lightning________(appear)togobeforethunder.
I have been studying here for four years, by next summer I ________.
I shall never forget ________ (meet) the late Premier Zhou during his inspection of our factory.
Iwishyou________likethat.
I prefer this diagram ________ that one.
Matter is the name ________ (give) to everything which has weight and occupies space.
