问题
                    
I am a League Member. I volunteer my time _____ others.
                            A:help
B:to help
C:helping
D:helped
                        
                        B:to help
C:helping
D:helped
正确答案是:
                        
                        
                        
                    同类题型
                    Both of us are __________ with this ________talk.
He has poor eyesight ______computer work.[ ]
She always does very well in the English exams. But she can _____ understand English radio programs.
Here are the photos in Beijing.[ ]
Hi, Tim. Huozun’s song Juanzhulian (卷珠帘) ______ great!—Yeah, I like it very much, too.