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 |
---Will you help me with this mathematical problem?.
---Sure. Let me see.
| A．It’s your turn | B．Go on | C．I’m stuck | D．See what I mean? |
He put on his tie, took one last look at the room and_____________ walked out of the door.
| A．gradually | B．finally | C．actually | D．entirely |
______, tears came to her eyes.
| A．Reading the letter | B．While reading the letter |
| C．As she was reading the letter | D．To read the letter |
---Mary, I heard there was an explosion in Luzhou. Could you tell me how it _______?
---Sorry, I don’t know much about it either.
| A．came on | B．came about | C．came out | D．came over |
. Can you tell me the way you think of________ the problem?
| A．to work out | B．working out | C．work out | D．to work |