单选题 —David has made great progress recently.
—_____, and _____.

单选题 —They have been to Australia.
—So I.

单选题 —David has made great progress recently. —_____, and _____.

单选题 Only when the work is done ________ be able to go back home.

单选题 --Kate has made great progress these days.
--___,and____.

单选题 She is a good student, and works very hard, _________.

单选题 —I ha ve never been to Qingdao before.
—_____. But I want to spend my summer vacation there next year.

单选题 — Chen Lin’s spoken English is very good.
— ___________ She often talks with her teachers in English.