选择题：I hope you will spend as much time as you can ____

题目内容：

I hope you will spend as much time as you can ________ your English. ( )(本题5.0分)
A、 to practice
B、 practice
C、 practicing
D、 on practice

参考答案：

当外币投资净额为净资产时，套期保值的结果为（）。A、当远期汇率大于即期汇率时，有利 B、当远期汇率

当外币投资净额为净资产时，套期保值的结果为（）。A、当远期汇率大于即期汇率时，有利 B、当远期汇率小于即期汇率时，有利 C、当远期汇率大于即期汇率时，不利

Psychological research has focused on a number of basic principles that help mem

I’m sorry , but there’s no smoking on this flight . —Oh, I _____ that . Sorry ,

Do you think they have as many books as they’ve described ? —Well , in my opinio