27. I’m sure the letter won’t arrive on time unless it ______ by air.
A. sent B. sends C. will be sent D. is sent
28. I have known a person ______ hometown is famous for grapefruits.
A. who B. that C. whose D. whom
29. It was cloudy. ______, the photos came out very bad.
A. As a result B. However C. Nevertheless D. Otherwise
30. Did John book ______ one-way ticket to London yesterday? – Yes, he did.
A. a B. an C. the D. Ø
Loga
Sinh Học lớp 12
