Time to us all is limited. So in the days _______, we must work out a practical plan for our study and keep to it strictly.
Eating too much fat can ________ heart disease and cause high blood pressure.
Reducing the gap between the rich and the poor is one of the main ___________meeting the government.
How I wish we studied ________there are fewer exams .
On July 20, 1969, Neil Armstrong become the first man _________foot on the moon .
The timetable says the school bus _________ here for the first trip at 6:30 am.