An expert was _____ to give a speech on how to learn English well.
| A．brought in | B．brought on |
| C．brought out | D．brought up |
We have to keep with the changing times.
| A．step | B．the pace | C．a pace | D．pace |
---Be careful! Your clothes will catch fire.
---Thank you._______ so close to the fire.
| A．I didn’t know I was | B．I don’t know I am |
| C．I hadn’t known I was | D．I don’t know I was |
He is an hour late by now．He last night．
| A．must stay up | B．should stay up |
| C．must have stayed up | D．should have stayed up |
— I knocked over my coffee cup. It went right over ______ keyboard.
— You shouldn’t put drinks near ______ computer.
| A．the; / | B．the; a | C．a; / | D．a; a |
You can use a larger plastic bottle, ____ is cut off, ___ as a pot to grow flowers in.
| A．of which the top; with it’s top | B．whose top; with its top |
| C．whose top; the top of it | D．the top of which; with it’s top |