If you are in trouble,Mike is always willing to________a hand. (2013·天津,2)
I met several people there, two of _____were foreigners.
He wrote a lot of novels, none of _____ translated into a foreign language.
He had a lot of friends, but none of _____ could lend him any money.
He had a lot of friends, none of _____ could lend him any money.
He studied as hard as he could _____ to enter a good college.