— What’s the matter?
—I am having trouble __________ who has taken my book.
| A．finding | B．finding out |
| C．looking for | D．looking up |
There will be _______ space for wildlife if we do _______ to protect the environment.
| A．more and more; everything | B．fewer and fewer; anything |
| C．less and less; nothing | D．less and less; something |
— The floor is clean and dry now. Who _______?
— Sorry, I don’t know.
| A．mopped it up | B．has mopped it up | C．has mopped up it | D．mopped up it |
Please don’t drop litter _______, you should throw it into the dustbin _______.
| A．careless; careful | B．carelessly; careful |
| C．carelessly; carefully | D．careless; carefully |
Mr Li’s students can call him _______ 57684051 or e-mail him _______ lihua@sina.com.
| A．at; at | B．for; on | C．at; on | D．in; at |
— Have you _______ read this story before?
— Yes. I’ve _______ read it.
| A．already; ever | B．yet; just | C．ever; just | D．ever; never |