【单选题】Sam will make more progress if he _______ harder. [ ]
【单选题】字与字之间的应承呼应关系,收放节奏关系和轻重对比关系指的是()。
【单选题】Generally speaking, the harder one works, ______.
A.
the better he gets result
B.
the better result he gets
D.
does he get better result
【单选题】If he ______ harder from now on, he will catch up with us. [ ]