31. Tom and his father_______America last week, and arrived there this Tuesday morning.
| A．set for | B．set off | C．set off for | D．set off to |
He is one of the boys who _____ here on time. He is the only one of the boys who _____ here on time.
| A．has come; have come | B．have come; has come |
| C．has come; has come | D．have come; have come |
It depends on _______ he has enough money.
| A．if | B．weather | C．if or not | D．whether |
______ gets homes first is to cook the supper.
| A．Who | B．Whom | C．Those who | D．Whoever |
______ Wang Feng looked after the old woman a whole year moved us all.
| A．That | B．What | C．When | D．Why |
The monitor suggested that we ______ for a picnic on Sunday.
| A．went | B．must go | C．could go | D．go |