---What do you think of your teachers?
---Sometimes they are too strict __________ us _________ our study.
| A．at, with | B．at, in | C．with, at | D．with, in |
In the past, most parents couldn’t _______ their children’s education.
A. cost B. take C. afford
– ______ the population of the world? – _______ about 6.5 billion.
A. How many; They’re
B. How much; It’s
C. What’s; It’s
– Are there ______ of students in your school?
– Oh, yes. There are about five ________.
A. thousand; thousand
B. thousands; thousand
C. thousand; thousands
He has been a teacher ______ six years ago and he has been here _____ 3 years.
A. for; for B. since; for C. for; since
The population of Japan is ________ than that of India.
A. less B. fewer C. smaller