One minute she burst into _____ and the next burst out _____.We just couldn’t catch her mood at any moment.
--- Jack fell off the ladder yesterday, but he is all right now? ---What a lucky dog! He _________ himself badly.
Catherine, ____ the alarm clock for 6 o’clock, or you would oversleep and be late for the train.
The results of the examination ________ that you have all made great progress.
--- Is your brother going to Jack’s birthday party tonight? ---I am not sure. He __________ go to a concert with his girlfriend instead.
It took a long time for the effective use of natural gas_________.