--- I hear that your good friend David ____________ books about history.--- Yes, but now he ____________ novels.
#52362
A
used to read; used to read
B
use to read; used to reading
C
use to read; is used toreading
D
used to read; is used to reading
推荐题目
Try to        who broke the window.
#59183
A
find out
B
examine
C
look for
D
see
-- What can trees do _________ us ?--- They can _________ harmful gases and produce oxygen .
#58609
A
helping , take in
B
to help , take in
C
helping , take out
D
to help , take care