Mr. Wu is good ____ math. He teaches _____ math well.
| A．for; our | B．at; our | C．with ;our | D．at ;us |
Thanks for _____ me.
| A．helping | B．to help | C．help | D．helps |
_________ the classmates’ help, we won the basketball final at last.
| A．To | B．With | C．For | D． Under |
He is very serious. No one can make him___.
| A．laugh | B．laughs | C．to laugh | D．laughing |
—I knocked into a tree when I went to the bus stop for my friend.
—I suppose you _____too fast.
| A．had driven | B．are driving | C．drove | D．were driving |