1.His mother made him___the piano for two hours every day.A.to play B.playing C.plays D.play
问题描述：
1.His mother made him___the piano for two hours every day.A.to play B.playing C.plays D.play
2.I often see him ___basketball on the playground.
A.to playing B.to play C.play D.playing
3.It‘s a ____building
A 50 meters tall
B 50-meter-tall
C 50-meters-tall
答
1、make sb do 选D
2、often是频率副词 用see sb do 选C
3、全部用连字符连起来的话当形容词使用,选B