--- Could you do me a favour? --- It depends on ______ it is.

It was ______ten o’clock ______he returned home.

You should be more confident in______ situation is challenging you.

____ excited all Chinese and even all Asians most in the Athens 2004 Olympics was ____Liu Xiang won the gold medal of the men's 110m hurdles by clocking 12.91 seconds to equal the world record.

______ advice I give him , he just does not listen.