-What __________ you __________ at 6:00 yesterday evening?-I was watching TV with my parents.A. did, do B. were, doing C. are, doingD did doing
--______she?---She’s my sister.
--What’s that in English? --________.
--Excuse me , is this your jacket? --Yes, ______.
I have (有)_____ ruler and ____ eraser.
Chanjiang River is one of________ in the world.