Over 20% of the students at that school _____ the habit of smoking, which is beyond imagination.
______we move the picture over there? Do you think it will look better?
________ doesn’t seem to have been much difficulty in solving the problem.
How many of us ______ a meeting that is not important to us would be interested in the discussion?
If you don’t wait _______ the red light, you will be punished by the policeman.
There was ____time ______I hated to go to school .