—Mom, my classmates invited me ____ a field trip. May I go with them? —OK.
| A．go on | B．to go on |
| C．go in | D．to go in |
When we heard the _______ news, we got ________.
| A．exciting; excited | B．excited; exciting |
| C．excited; excited | D．exciting; exciting |
Don’t give________ learning English.
| A．at | B．up | C．in | D．on |
You must concentrate more _________ your English.
| A．to | B．in | C．on | D．at |
My mother was angryme yesterday.
A.at B.on C.for D with
We should go to school at 8:00 ______________ school mornings.
| A．at | B．in | C．on | D．of |