求一道首字母填空~
问题描述：
求一道首字母填空~
Liu Xiang withdrew from the Olympic Games in 2008.After an operation he returned to training in July.Lix and his coach both hoped the Shanghai Golden Grand Prix would help him i_____
答
填improve,意为“改善”,楼上是错的,不用ing形式,help sb do sth
补充：help sb do sth=help sb to do sth
（不过常用的是原型）