______ which school was suitable for their son, the parents visited lots of different primary schools in the city.
My younger sister enjoys listening to music very much, with pop music _______.
Please tell me how the accident_____. I am still in the dark.
American Indians ________ about five percent of the U.S. population .
I can think of many cases ______students obviously know a lot of English words and expressions but couldn’t write a good essay .
When I get puzzled about some difficult problems, my teacher always encourages me and says , “Take it _________ .”