The use of computers has made ______ possible for more people to work at home.
A．it B．that C．which D．what
Having pictures to color will keep children ______ for hours.
A．amused B．amusing
C．amuse D．to amuse
We strongly advise you ______ eating your meal so late．It’s not healthy.
A．on B．against
C．from D．over
Finding a time ______ suits everyone is going to be difficult.
A．that B．when C．what D．where
— The room looks bigger!
— We ______ the furniture.
A．have changed B．had changed
C．changed D．are changing
— Hey, the washing up has been done!
— That ______ Cynthia．She’s always helpful.
A．need have been B．could have been
C．should have been D．must have been
