With more forests being destroyed in that area, huge quantities of land _______ deserts each year.
#101306
A
has been turned into
B
had been turned into
C
is being turned into
D
are being turned into
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We all jumped with joy at the exciting news, After all, we ______forward to the chance for many years.
#101641
A
are looking
B
were looking
C
have been looking
D
had been looking
--- Oh, dear. I forgot the air tickets. --- You ______ something.
#104280
A
have left
B
are always leaving
C
are leaving
D
always left
The first decade of the 21st century ______ breathtaking, non-stop development in China.
#102129
A
witnesses
B
witnessed
C
will witness
D
had witnessed