Tens years ago, there _____ full of fish in the lake .Now there are _____ fish .
#40286
A
used to live; little
B
had; a few
C
were; many
D
used to be; few
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Thanks to the Internet, different kinds of information ________ in a short time.
#38990
A
can be learned
B
has been learned
C
can learn
D
has learned
We will go for a picnic if it_____ this weekend. 
#36947
A
will rain
B
rains
C
won ’ t rain
D
doesn’t rain