四.选择最佳答案,将序号填入题前括号内。1’×10
( ) 1. We ________ songs happily under a bright star two years ago.
A. sing B. sang C. are singing
( ) 2. Do you often have supper ___________ your family?
( ) 1. We ________ songs happily under a bright star two years ago.
A. sing B. sang C. are singing
( ) 2. Do you often have supper ___________ your family?