______he has made up his mind, no one can make him change it.
| A．Although | B．Unless | C．Until | D．Once |
The monitor suggested that we ______ for a picnic on Sunday.
| A．went | B．must go | C．could go | D．go |
He always thinks of _______ he can do more for the people.
| A．what | B．how | C．if | D．whatever |
At last they climbed up the mountain，on the top of which an old temple dating back to 1,500 BC.
A. is lying B. there lies C. does lieD. 1ies
Generally speaking，prices of daily goods through the Internet are lower than store prices.
| A．bought | B． are bought | C．buying | D．to buy |
—I may go to the market this afternoon.
—Could you please buy some fruit for me you are there?
| A．since | B．if | C．while | D．fits |