.If you _______wait a moment, I’ll go and find our manager.

Thank you _____ visiting our company. We are looking forward to _____ you again.

Can’t you notice that there is little time left? Please tell me the whole thing         .

 —Why, this is Henry speaking. —Oh, I’m sorry. I didn’t ________ your voice on the phone.

The environment is getting worse in the present days, so the government must take _______ to stop people _______ too many trees.