晚上睡觉前和父母晚安，说：
A.Goodbye, Mum and Dad.
B.Good night, Mum and Dad.
Sometimes I go to bed at 22:00 _______ the evening.
A. at B. on C. in
I often eat breakfast _______ 6:50, then I go to school.
A. at B. on C. in
Hello. _______ Nina. Can I speak to your mom, please?
A. That is B. I am C. This is
That elephant is drinking water _______ its trunk.
A. in B. at C. with
Can you see the monkeys? _______
A. Yes, I do B. Yes, I am C. No, I can’t