Jack has been skating four hours ago .A since B. about C.for about D. in
--Does Lisa have a red schoolbag?--No, but she has ____ orange one.
This book is bad. It is ______interesting ______exciting. A. either…or B. both…and C. neither…nor
-- Could you tell me something about the boy who helped you just now? -- Sorry, I know nothing about him. We are______. A. friends B. strangers C. classmates
There are so many kinds of computers in the shop. I really don't know ______ to choose. A. what B. which C. where
- Excuse me. May I use your eraser, please?-- Sure. ______A. Watch out!B. Well done!C. Go ahead.