问题
选择题
If we now to protect the environment, we’ll live to regret it.
A.hadn't acted
B.haven't acted
C.don't act
D.won't act
答案
答案:C
考查时态。根据if主句的一般将来时态可知从句应使用一般现在时态,且有now作为现在时态的标志词,故选C。
If we now to protect the environment, we’ll live to regret it.
A.hadn't acted
B.haven't acted
C.don't act
D.won't act
答案:C
考查时态。根据if主句的一般将来时态可知从句应使用一般现在时态,且有now作为现在时态的标志词,故选C。