–How many students are there in the classroom?
--__________. They are all in the lab.
| A．Some | B．None | C．All | D．Neither |
The underlined letters “ow” in the word _________ sounds different from the others.
| A．snow | B．tomorrow | C．shower | D．know |
Don't forget ________ your homework with you when you come to school.
| A．to bring | B．bringing | C．to take | D．taking |
He wants ____________some vegetables.
| A．buy | B．buying | C．to buy | D．buys |
I'm sorry ______ you.
| A．trouble | B．to trouble | C．troubling | D．troubled |
She went____________ her teacher.
| A．to see | B．looks | C．saw | D．seeing |