Helen is friendly and she always has a smile _____ her face.
| A．on | B．with | C．at | D．for |
We must study hard, because we shouldn’t _______ our parents _______ .
| A．make; down | B．let; up | C．help; happy | D．let; down |
I don’t have a present, _______ everyone else brings a present?
| A．what if | B．if | C．how if | D．how |
Do you find this book ____________?
| A．frustrate | B．frustrating | C．frustrated | D．frustration |
If I felt some pain, I’d stop _______ .
| A．exercised | B．to exercise | C．exercising | D．exercise |
Don’t cut in line, or other people may _______.
| A．get nervous | B．get interested | C．get annoyed | D．get excited |