Climate change is not a/an _______ problem to solve and it will take years.
A: difficult
B: critical
C: easy
D: important
A: difficult
B: critical
C: easy
D: important
举一反三
- Climate change is not a(n) ________ problem to solve and it will take years. (easy / difficult)
- Climate change is not a(n) ……………… problem to solve and it will take years.
- 20.Climate change is not a(n) ___________ problem to solve and it will take years.
- Sometimes the __________ (solve) to a problem is cheap and easy; sometimes it is difficult and expensive.
- This problem is________. A: too difficult for me to solve it B: too difficult for me to solve C: very difficult, I can’t solve D: too difficult for I solve it