问题

_____ you put your heart into your study, you’ll feel _____ in it. [ ]
A: If; interesting
B: Once; interested
C: Since; interested
D: When; interesting
B: Once; interested
C: Since; interested
D: When; interesting
正确答案是:
同类题型
He made a mistake, but he took action to change the situation________ it got worse.
I asked my lawyer ___ say in court .[ ]
Could I go boating this weekend, Dad—Yes, you ________. But you ________ come back before lunch.
Ann spends two hours _______ sports in the gym every day.
The government is now trying to provide _______ health benefits to all citizens in China.[ ]