I used to be afraid to speak in front of public before, but recently I _____ a lot.
#52312
A
have improved
B
improved
C
will improve
D
am improving
推荐题目
－Why are there a lot of dead fish in the river?－Because they were ______ by the polluted water.
#61886
A
caught
B
poisoned
C
burned
D
protected
You must look_______ yourself and keep_______
#53505
A
for,health
B
up,health
C
after,healthy
D
like,healthy
---Is your father a teacher? ---Well, he ______. But now he works in a bank.
#61652
A
were
B
used to
C
used to be
D
is