The police were seeking more information to find out________ killed the rich merchant.
A draft regulation on school bus safety management was made public by the State Council, with the public________to give comments.
Natural learning environments inspire a burning ________ to learn, the key to a productive lifestyle.
—Jack's car hit a big tree yesterday. — ________? In my memory, he is always a careful driver.
Europeans always hold their fork in the left hand, ________Americans switch it between their left and right hands.
A US coal producer agreed to pay ________ total of $ 209 million for the mining accident that killed 29 people,________ worst such disaster in 40 years in the US.