There are 104 elements found in nature, ___ are metals.
| A．most of it | B．that | C．most of which | D．mostly |
He went home for lunch____ the clock struck twelve.
| A．while | B．immediately | C． right away | D．at once |
The head office of the bank is in Beijing, but it has _______ all over the country.
| A．companies | B．branches | C．organizations | D．businesses |
I’d like to arrive 20 minutes early ________I can have time for a cup of tea.
| A．as soon as | B．as a result of | C．in case | D．so that |
E-mail, as well as the telephone, _____an important part in daily communication.
| A．is playing | B．have played | C．are playing | D．play |
He has decided to settle ____in France because he is fond of the romantic country.
| A．temporary | B．temporarily | C．permanent | D．permanently |