It’s impossible for us to finish the task within half a month.
Why didn't you make me a telephone call yesterday? I _____ about it.
–Do you know what Mike does all day? –I know he spends at least as much time watching TV as he _____ his lessons.
The blues _____ a way for people to show ______ they are and ______ is in their mind.
I arrived late; I _____ the road to be so icy.
Teachers should create an environment children are taught how to solve problems of learning by themselves.