At the beginning of each course, the teacher should give a very ______ explanation of his
A.comprehensive
B.decisive
C.inclusive
D.complicated
A.comprehensive
B.decisive
C.inclusive
D.complicated
A.At the beginning of the 19th century.
B.At the late of the 18th century.
C.At the beginning of the 18th century
D.In the middle of the 19th century.
The new constitution will take ______ from the beginning of July.
A.effect
B.position
C.place
D.post
A.At the beginning of the 18th century.
B.At the beginning of the 19th century.
C.At the beginning of the 20th century.
D.At the beginning of the 21th century.
3D printing is just at the beginning stage. It is not ____.
A、mature
B、ripe
C、grown
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