What are you busy doing, Sandy?—— I’m making some flash cards _________ me remember English words.
----_____ going hiking tomorrow, Sandy? -----Good idea.
---Why don’t you buy her a CD? ----____________.
Li Hong can speak English as ______as native speakers.
Can you speak a bit louder? I can’t hear you_________.
Peter ______ ten dollars on the new book. A.spent b.took C.cost D.paid