Mr. Wang made up his mind to devote all he could ____ his oral English before going abroad.
—Sorry,what did you say just now? --I asked.
--Kate wants to know if youa picnic next Sunday. --Yes. But if it, we’ll visit the museum instead.
--You didn't go to school yesterday, did you? --_____, though there was a heavy rain.
-- What happened to Jack? -- Hebecause of his drunk driving.
--Excuse me, could you please ______ shout in the classroom? --Sorry! I will keep quiet from now on.