my father __a lot.He has given up smoking now.a used to smoking b used to smoke c is used to smokD is used to smoking
问题描述:
my father __a lot.He has given up smoking now.a used to smoking b used to smoke c is used to smok
D is used to smoking
答
选B used to do表过去常常干……
答
B过去常常吸烟
答
B
used to do sth过去习惯做某事