问题

________you have a try, you will never know if you will succeed in doing it.

A:Unless
B:Because
C:Although
D:When;

正确答案是：

同类题型

It is possible _____he misunderstood _____ I said. [ ]

Over the past 30 years, China has spent hundreds of billions of yuan to pull its rural population out of poverty. Now China’s Anti-poverty efforts __________.

Everything he _______ to his country.

couldn’t do my homework with all that noise ________．

What do you think of our plans—______, Jim’s plan is better than yours.