By the time Einstein was 14 years old, he himself advanced mathematics.
Mr. Smith found that gas from the pipe when he came back because we forgot to switch off. But at last we were lucky to escape .
Human facial expressions differ from those of animals in the degree ______ they can be controlled on purpose.
With world economic crisis_________, people appeal to the government for more unemployment benefits.
I didn’t want to be _________________ with politics at all.
The job will be offered to is capable of performing it well.