--How did you do in the test? --Not so well. I _____ much better but I misread the directions for Part D. A. could do B. could have done C. must have done D. should do
Those ________ are not fit for the work should leave office at once.
When the expression first came into being, people refused to use it but _____ they began to accept it.
On hearing the sound, the birds flew away in every ________.
Punishments became more severe(严厉的), but he remained _________, that is to say, nothing could change his mind.
You’d better ________a few hours to practice your spoken English, which you can learn from.