His mother was a teacher ________ a great charity worker.
A. as well of
B. as well as
C. as well
D. as good as
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He was able ________ computers at a time when few children or adults could.
A. to using
B. to used
C. to use
D. used to
When you are (relax) ________, your breathing tends to be slow and gentle.
Bill Gates was born into a (wealth) ________ family and he has two sisters.
The system helps (computer) __________ the school’s salary management.