. ----Are you coming to Jeff’s party?
----I’m not sure. I ____ go to the concert instead.
A must B might C would D should
________ is known to us all is that the old worker，for ________ life was hard in the past，still works hard in his seventies.
| A．As；whom | B．What；whose |
| C．It；whose | D．What；whom |
—How did you deal with the order?
—I handed it to ________ I think is in charge of sales.
| A．who | B．when |
| C．whoever | D．whomever |
________ the football match will be played depends on the weather.
| A．If | B．Whether |
| C．That | D．Where |
—We were surprised to hear that the reason ________ she gave for her absence was ________ her mother was ill.
—Yes.We saw her mother was at the supermarket that morning.
| A．why；that | B．which；that |
| C．that；because | D．why；because |
Before the sales start，I make a list of ________ my kids will need for the coming season.
| A．why | B．what | C．how | D．which |