-What do you think of learning Chinese,David?
-Actually,I find hard to learn Chinese well in a short time.( )
that
one
it
— 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.
-- Has your friend completed his design?-- Not yet. He ________ on it last night.
She to an English program while her parents TV.