I can't leave. She told me that I （） stay here until she comes back.

单项选择题小学英语教师要尊重学生和家长的需求与习惯，因此他们要( )。

单项选择题Owen wouldn't eat anything （） he cooked it himself.

A. until
B. since
C. unless
D. while

单项选择题40（）。

A. effectiveness
B. cheerfulness
C. carefulness
D. seriousness

单项选择题39（）。

A. fail
B. try
C. wish
D. bother

单项选择题38（）。

A. came
B. responded
C. hurried
D. appeared