Millie spoke in a very low voice， but I understand what she said．（ ）
A．couldB．mightC．canD．may
I want to be a scientist like Tu Youyou when I ________ in the future．（ ）
| A． |
grow up |
B． |
wake up |
C． |
stay up |
Hainan ________ its blue sky and fresh air．
So it is．That's why more and more visitors spend their holidays here．（ ）
| A． |
is weak in |
B． |
is famous for |
C． |
is used to |
Our plan to clean the park ________ tomorrow．（ ）
| A． |
discusses |
B． |
will discuss |
C． |
will be discussed |
When shall we send the washing machine to you，Mrs．Read？
_______ on Thursday ________ on Friday，please．I'll be at home then．（ ）
| A． |
Either； or |
B． |
Neither； nor |
C． |
Both； and |
Is that Danny Brown speaking？
Yes．________？（ ）
| A． |
What's your name |
B． |
Who are you |
C． |
Who's that |