The rudimentary technology is usually regarded as the ______ one.
A. difficult
B. advanced
C. basic
D. Classical
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When you evade a problem, you try to _______
A. achieve it
B. avoid dealing with it
C. finish it easily
D. do it with great efforts
If someone backs you up, he/she may
A. agree with you
B. disagree with you
C. give you advice
D. support you in practice
The older chidren like to ____ that little boy.
A. pick on
B. pick up
C. pick out
D. pick off
Local governments must ______ their loans in full and on time.
A. win back
B. back up
C. pay back
D. put back
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