His jokes seemed______, but were in fact carefully prepared beforehand.A．simultaneousB．art

His brother told many jokes to____him up.A．cheerB．blowC．breakD．laugh

He is over fifty, but he looks as if he ____________ only in his thirties. A. were

He tried and tried but all his efforts were ______.A．in no wayB．on the contraryC．at a loss

He could not help but ____ at the joke.A: laughB: to laughC: laughingD: laughed

He planned to steal the money, but his ______ were discovered.A．arrangementsB．blueprintsC．

His parents, very poor but______people who never broke the law, were shocked when he was a