She did what she could _______ us. Though 3,000 dollars is a lot of money for her.
A:help
B:helped
C:helping
D:to help
— I____ (sing) an English song now.
我国湿地的特点是( )①类型多样 ②分布广泛 ③数量很少 ④均为自然湿地
郭可江的农场吸纳了150多位村民就业,他们种地、上班两不误,大幅提高了收人。“每卖出一箱菜,从中抽出一元钱,资助在校贫困学生”,这在当地被传为佳话。材料体现了()①先富带动后富,最终走上共同富裕 ②回报社会,热心社会公益事业的大爱之心③金钱第一,“金钱万能”的信仰 ④亲近社会、奉献社会的高尚人生追求