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-- I' ve     using plastic bags when shopping.-- You' re right. It' s good for our environment.
#58821
A
stopped
B
finished
C
started
D
enjoyed
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推荐题目
Everyone is here. Let’s ________ our class now.
#61809
A
begin
B
began
C
beginning
D
to begin
In the fields everything _____ to grow.
#57110
A
begin
B
begins
C
are beginning
D
is beginning
Bob,_______ your coat. It’s cold and windy outside.
#61675
A
put on
B
turn on
C
get on
D
come on
Hurry up! The sky is covered with black clouds. I’m afraid it ______.
#52141
A
rains
B
is going to rain
C
rained
D
was raining
The girl in the classroom ______ be Maria. She called me from the library just now.
#52145
A
mustn't
B
may not
C
can't
D
needn't