I didn’t quite follow him because he explained the theory _____that is too abstract for me.
Information has been put forward that more middle school graduates will be ________into universities.
In Japan students show great respect ______their teachers and this is true _____Germany.
I would appreciate ________if you could teach me how to use the computer.
The murderer ran away from his village,trying to avoid ________by the police,but in vain.
Ancient Greeks were responsible for many of the ________in science and other fields.