﹣﹣ Dad, about ________ of our classmates wear glasses.
﹣﹣ Oh, that's terrible. You all should take good care of your eyes.( )
three fourth
third fourth
third fourths
three quarters
Rick has learned a lot about Chinese culture _____ he came to China.
--Sorry, I overslept. I forgot to set the alarm. --Your clock ________. Perhaps you should buy a new one.
Be quick, we’ll be late for the meeting.
I still remember my first teacher __________ we haven’t seen each other for many years.
They have been friends __________ they were at primary school.