—______ do you usually go to bed? —At six.
This woman is _____ actor and that man is _____ cook.A. a; an B. an; an C. an; a
– Are Lucy and Lily your classmates? – Yes, _____.A. she is B. we are C. they are
下列各组字母中,全部是元音字母的是_____.A. a, e, r B. i, u, e C. o, n, u
– I’m sorry I can’t help you. -- _____.A. You’re welcome B. That’s right C. Thank you all the same
I like the pants very much. Can I _____?A. try on it B. try them on C. try it on