He______be in the classroom,I think.
No,he____be in the classroom.I saw him go home a minute ago.( )
A.can; may notB.must; may not
C.may; mustn'tD.may; can't
Jack will have a birthday party tomorrow. Do you know__________?
I'm not sure. Let's call Cathy and she may know something about it.( )
how can I get there
what gift he prefers
why didn't he invite me
where the party was held
_______ rapid progress our country is making in science and technology!
So it is. We are enjoying the convenience of modem technology.( )
How
What
What a
What an
As common people, the medical workers choose to stand out and________others without thinking twice. They are the most beautiful angels.( )
protect
protecting
admire
admiring
It's reported that the 2020 Tokyo Olympic Games have been_________until July 23, 2021.( )
put up
put down
put on
put off
A 12﹣year﹣old boy from Hunan invented a new kind of window because of his_______.The window can prevent children from falling out.( )
communication
celebration
honesty
creativity