DIGITAL CLOCKS, HOWEVER PRECISE, THEY CANNOT BE PERFECTLY ACCURATE BE...
Câu 20:
Digital clocks, however precise, they cannot be perfectly accurate because the earth’s rotation changes slightly
over years.
A.
the
B. they
C. perfectly
D.
changes
Câu 20:
Digital clocks, however precise, they cannot be perfectly accurate because the earth’s rotation changes slightly
over years.
A.
the
B. they
C. perfectly
D.
changes