He must be helping the old man to water the flowers,（）。

单项选择题Daniel's family （） their holiday in Huangshan this time next week.

A. are enjoying
B. are to enjoy
C. will enjoy
D. will be enjoying

单项选择题The little girl who got lost decided to remain （） she was and wait for her mother.

A. where
B. what
C. how
D. who

单项选择题Jane was asked a lot of questions, but she didn't answer （） of them.

A. other
B. any
C. none
D. some

单项选择题It saves time in the kitchen to have things you use a lot （） easy reach.

A. near
B. upon
C. within
D. around

单项选择题（） a certain doubt among the people as to the practical value of the project.

A. It has
B. They have
C. It remains
D. There remains