---Why did you laugh just now?---Ted wanted to tell us _____ very funny story, but he forgot ______ ending himself.
It’s quite late now, __________ Xiao Ming is still busy with his lessons.
I visit my grandparents __________ Saturday afternoon.
The students are from England and __________ maths teacher is from China.
There are so many foggy days these days. We all wonder . A. how is the air polluted B. why the air is polluted seriously C. what are the real reasons
—I have trouble the passage. What shall I do? —Remember it three times at least. A. understanding, to read B. understanding, reading C. to understand, reading