Parents should always tell their kids ________ with strangers．（ ）
| A． |
not to talk |
B． |
not talking |
| C． |
to not talk |
D． |
not talk |
—Mum，where is David？
—He ______ to see the science fiction film Back to the future.
A．is goingB．goesC．has goneD．was going
The Communist Party of China will have its 100th birthday ______ July 1，2021.
A．inB．onC．forD．at
Kitty sometimes eats ______ orange or some grapes after lunch.
A．anB．aC．theD．/
— Hi，Jack!I'm just going to the practice for the concert.Are you coming to play your violin？
—____________，Carl.I have to finish my report today.
A．You'd better notB．It doesn't matter
C．I'm afraid notD．Don't worry
一 Amy，I wonder___________ in the street when I come to pick you up.
—Well，there's a big tree by the front gate and it's covered in lovely white flowers at the moment.
A．how will I find your house
B．how I will find your house
C．when I will find your house
D．when will I find your house