It was silly______the mistake, which is rather difficult to______.A．of him to make; admitB

1949 is the year ______ the People’s Republic of China was founded.A: thatB: whichC: wh

She always puts her medication on the top of the shelf lest the children______it by mistak

The question was______the electrical equipment should be installed.A．thatB．whereC．whatD．wh

He was warned______he should make the same mistake again.A．ifB．givenC．lestD．unless

Mr. Smith became very ______ when it was suggested that he had made a mistake.A.ingeniousB

The mistake on the locally printed stamps was in the ______.A.spellingB.wordingC.priceD.co