根据句意选择与句中画线部分意义相同或相近且能代替的选项。

1. What's the matter with Li Lei?        

A. wrong   

B. trouble   

C. the wrong    

D. the troubles

2. I don't have much money.      

A. a lots of    

B. lots of    

C. many    

D. some

3. When does the party start?        

A. finish    

B. begin    

C. last    

D. began

4. He didn't come home until 1 a.m.        

A. on    

B. till    

C. at    

D. in

5. I'm not feeling well at the moment.        

A. now    

B. just now    

C. then    

D. that time

汉语拼音方案规定有（）组双字母。

A、三组

B、四组

C、五组

D、六组