There _______ less air pollution in the country .
#42441
A
are
B
is
C
have
D
has
推荐题目
—What did she______?—She said she ______to Beijing for a trip.
#41807
A
said; will go
B
say; was go
C
say; was going
D
said; was going
The story of Tom Sawyer ______ in Missouri, America, in the 19th century.
#38846
A
had happened
B
was happening
C
has happened
D
happened