The house, ______the walls are green, is where my grandfather used to live ten years ago.
| A．which | B．of which | C．whose | D．that |
----- Look, Dad! A bear is now with me!
----- Nothing will happen _______you keep lying still.
| A．as long as | B．as far as | C．unless | D．until |
All the Harry Potter books by Joanne Rowling, a poor single mother _____ in Edinburgh, _____ all over the world.
| A．lives; are well sold | B．lives; sell well | C．living; sell well | D．living; are well sold |
— You don't look well. Are you ill?
— No, the exam is coming and I _____ reading until midnight.
| A．kept up | B．got up | C．stayed up | D．woke up |
Your mother will be ____ until she hears you are safe.
| A．upset | B．nervous | C．anxious | D．doubtful |
I often heard the song _____ in English.
| A．singing | B．being sung | C．sung | D．sing |