— Who helped Betty tidy up the bedroom just now?—_________. She cleaned it all by herself.
It's nice of you to ______ so much time showing me around your school. A. take B. spend C. cost
-- Have you ever been to Shanghai, Mary? -- Yes. I _______ there for three days with my parents before. A. have gone B. have been C. went
The teachers ______came for a visit are foreigners.
---Mrs Black seldom eats meat,________ ? ---________ . She is a vegetarian(素食主义者).
We don’t believe ______ little children can do ______ much work in such a short time.