–Why do you look so happy? --I got good grade in English exam. My teacher said .A. I was hard-working B. I am a good students C. I have worked hard
We Chat is growing fast and it is ______ than Skypein China.
Jack______ books in the library at 4 pm yesterday afternoon.
We______ a school trip next Wednesday if it is fine.
There isn't ______ in the classroom. Let’s turn off the lights.
Something was wrong with my bike, ______ I was late for school.