The young man insisted that he _______ nothing wrong and ________ free．
| A．did , set | B．had done , should be set |
| C．do , be set | D．had done , must be set |
An ant has two ___.
| A．stomaches | B．stomachs | C．stomackes | D．stomacks |
Tom’s mother said; “Nobody can prevent him ___ smoking.”
| A．for | B．from | C．in | D．about |
He is said to be ___ the office.
| A．fit for | B．fit | C．fit about | D．fit to |
___ he is going to do it or not does not matter .
| A．Whether | B．If | C．When | D．Why |
Hearing the news, Lillte Jim burst into ___
| A．laughing | B．laughters | C．laughter | D．be laughing |