Fish only species that are not of concern, threatened or endangered.
A. bettered
B. born
C. safeguarded
D. taught
Đáp án C
endanger: đe dọa >< safeguard: bảo vệ
We shouldn't complain about being poor many families are much worse off.
If you are not inside a house, you do not know about its leaking.
It's too far to ride to your grandmother's; you'd better take the bus.
Some couples see single women as a threat to their relationships.