—Brain, did you have a good time during the holiday?— ______. I had to do homework most of the time.
Sea water ______ many minerals, salt ______.
----How do you like the book?----It’s quite different from ______ I read last month.
I will carry out the plan _____ there is much difficulty ahead.
When I was passing the Town Hall, I heard the clock ______ twelve.
Your brother ______you is very kind to me.