There __________ a big tree in front of my house . I could hear many birds sing in it .

— What’s the matter with Andy ? He doesn’t look very well.— He has a headache because he ______ too long; he ought to have stopped reading.[ ]

Thanks for your help, John . We havefinished our work so earlyyour help.

Have you ________ him to give up the job?—Yes，I have. But he doesn’t listen to me.

ve a few steps, and the oil-paintingslook better ______.