If metal is heated and then cooled very quickly, , by dipping in cold water, it will be very hard but will break easily.
| A．what’s more | B．in general | C．for example | D．on the other hand |
He was extremely ______at the _______news!
| A．surprising, surprised | B．surprising ,surprising |
| C．surprised, surprising | D．surprised, surprised |
______ is important to know how to get on with others when you grow up.
| A．This | B．It | C．He | D．She |
. I’ve got three days’ holiday _______New Year’s Day.
| A．included | B．includes | C．include | D．including |
. You can hardly recognize him in the photo, ________?
| A．can you | B．can’t you | C．do you | D．don’t you |
Remember the day when we ___________ you in charge ?
| A．carried | B．left | C．took | D．got |