My bike was broken yesterday, so I____walk home.( )
A.mightB.had toC.mustD.could
—Has David finished his project yet? —I guess not. He on it at lunchtime. Do you want me to confirm it?
At this time yesterday afternoon, I____ my bike in the street.A. rodeB. is ridingC. was riding
— Have you seen Lin Feng these days?—I saw him yesterday evening. He _______ basketball with other boys.
—Did you notice a boy in blue come in?—No , I didn't because I ______ a movie.
----Has Jack finished painting the picture yet?---- I’ve no idea. But he______ it the whole afternoon.