I never blame failures-there are too many complicated situations in life, but I am_____merciless(无慈悲心的) toward lack of effort.
September 8th,1931 is a special day,________, I think,that will be remembered by the Chinese forever.
I ______ him in time, otherwise he would have fallen off the bike.
_______ the calculation is right, scientists can never be sure that they have included all variables and modeled them accurately.
--How do you think I can make up with Tom? ---Put aside_____ you disagree and try to find_____ you have in common.
________, his idea was accepted by all the people at the meeting.