The new traffic rules that took effect on January 1 are much stricter than________in the past.
Some of the wolves there _____ the fur.
In many countries, packets of cigarettes come with a government health warning ______ them.
We had to be patient because it ______ some time ______ we got the full results.
______ about the missing Beijing-bound Malaysian flight that he decided to look for more information about it.
______ the help of the teacher, the student who wasn’t good at math ______ the difficult problem quickly.