I spent two days _____ reading the storybook.
More and more people would like to go on vacation abroad(国外).They should remember to be ________ with good manners. A.visitors B.players C.volunteers
—What’s wrong with you,Eric?You look tired. —I ________ to prepare for the final exam last night.
—You look ________ today. —Yes.I stayed up late last night to watch a talk show.
He ________ his homework yesterday.
—What did you do last Sunday,Mike? —I ________ fishing by the lake with Ted.