Girls used to take fewer advanced math courses than boys but now they are taking just .
The reason _____ he was driving his car so fast was _____ he would be late.
But for their help, we ______ the program in time.
Every pupil is _______ to be in his classroom at 7 o’clock in the morning, which is the rule of the school.
The passer-by jumped into the cold water to save the _____ boy, who cried for help, but it was too late and the boy was _______ at last.
The computer system _____ suddenly while he was searching for information on the Internet.