—I will come to attend your lecture at 10:00 tomorrow.— I’m sorry, by then my lecture will have ended and I _____ in my office.
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 _________ .”