5.The growing speed of a plant is influenced by a number of factors, _______ are beyond our control.
| A．most of them | B．most of which |
| C．most of what | D．most of that |
They talked for about an hour of things and persons _____ they remembered in the school.
| A．which | B．that | C．who | D．whom |
It was not ______she took off the glasses ________ I realized she was a famous film star.
| A．when; that | B．until; that | C．until; when | D．when; until |
______ the day went on, the weather got worse.
| A．With | B．Since | C．While | D．As |
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 |