Which of the following is red?( )
A.Fe2O3B.NaCIC.Na2CO3D.NaHCO3
"right"and"write"sound the same,______ they do not mean the same thing.( )
A.butB.ifC.soD.or
Dad,I got hired as a bus driver.
Congratulations!Make yourself ______ so that the company won't want to lose you.( )
A.fashionableB.valuable
C.changeableD.possible
Did you see a man in black pass by just now?
No,sir.I ______ my car.( )
A.washB.washed
C.am washingD.was washing
I hear you have a home robot.
Yes,it's amazing.It ______ do all my housework.( )
A.mustB.shouldC.couldD.can
What will the phone ______?
The same as you said,eight hundred dollars each.( )
A.spendB.costC.payD.afford