The business was acquired from Orion four years ago.
A. before
B. later
C. ahead
D. last
Đáp án C
ago: trước đây >< ahead: sắp tới
Fish only species that are not of concern, threatened or endangered.
We shouldn't complain about being poor many families are much worse off.
It's too far to ride to your grandmother's; you'd better take the bus.
If you are not inside a house, you do not know about its leaking.