______no need for us to discuss the problem again since it has already settled.
A. It has B. There has C. It is D. There is
The windows haven’t cleaned for a long time．They need ______.
A．to clean B．to be cleaned C．cleaning D．B and C
–That would mean ____ a lot of time.
--Really? I don’t mean ____ any time.
A. wasting; wasting B. to waste; to waste
C. wasting; to waste D. to waste; wasting
____ the TV play, he got down to ____ his homework.
A. Watching; do B. After his watching; do
C. Watched; doing D. Having watched; doing
—Will you go skiing with me this winter vacation?
--- It __________________.
A.all depend. B. all depends. C. is all depended D. is all depending
I lost my way. I wonder ________ I can turn in the dark.
A. who B. whom C .to whom D. for whom
