. –Are you cleaning my room ?
---I can’t help ______.I can’t bear seeing people’s room in a mess!
| A．it | B．this | C．anything | D．so |
_____many times, they succeeded _________ the experiment.
| A．Having tried; in doing | B．Tried; in being done |
| C．Having tried; to do | D．Tried; doing |
Although the play had already been on for 10 minutes, I was still unable to find a seat ___________.
| A．to sit | B．for sit on | C．to sit on | D．for sitting |
--- What sport do you like best?
--- Springboard diving (跳板跳水). _____ to dive into water from a high board!
| A．What a fun is it | B．How fun it is |
| C．How a fun is it | D．What fun it is |
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 |
It’s no use _____ my husband ________ money. He won’t take your advice.
| A．to argue with; about | B．arguing about; with |
| C．arguing with; about | D．to argue about; with |