With a lot of difficult problems ______, the newly-elected president is having a hard time.

Your composition is well-written ____ a few spelling mistakes.

George couldn’t remember when he first met Mr. Anderson, but he was sure it was __________ Sunday because everybody was at __________ church. 

--Peter is very clever and he studies hard as well．---No ______be always wins first in the examinations. 

—Are you sure Mike will help us if we are in trouble? — _____. He is a reliable friend.