I didn’t quite follow him because he explained the theory _____that is too abstract for me.
.Being examined twice a year is the rule that every driver obey in the city .
_ we left the building that I realized how dangerous the situation had been.
-- What do you think of David ? -- There are some things that are not easy to , and his coldness is one .
The question came up at the meeting we had enough money for our research.
the weather ,the sports meet will be held on time .