It is impossible for ________little children to do ______much work in a short time. A so;so B so; such C such; such D such; so
—Have a nice weekend!—________.
—Who cleaned the classroom yesterday?—Kevin ________,I think.
—________ did she do last night?—She studied math(数学).
—When ________ Jessy ________ to New York?—Yesterday.
—When ________ you ________ to learn to skate?—Five years ago.