Yesterday something ________ happened. We didn't know what it was.
| A．unhappy | B．uneasy | C．unable | D．unusual |
Don’t ________ things _________ animals．They have feelings like us．
| A．work; out | B．throw; at |
| C．call; out | D．put; on |
They wonder _________ they will have such a good chance again or not．
| A．that | B．this |
| C．if | D．whether |
-I can’t decide _________
-Maybe you can ask your parents for help．
| A．how to do | B．which to choose |
| C．which choose | D．how go there |
I was afraid ________ English in class, because I was afraid _______ being laughed at．
| A．to speak; to | B．to speak; of |
| C．of speaking; on | D．on speaking; to |
His father warns him_________ that in the future．
| A．doing | B．did |
| C．not to do | D．do |