你可能感兴趣的试题
having used use used using
did use;and didn’t use;and didn’t use;or didn’t used;or
3 times bigger than the past. bigger than 3 times in the past. the 3 times size of its past. 3 times bigger than it was.
isn''t there didn''t there usen''t it used not it
get used to hating used to hate used to like didn't use to hate
used to keep used to be used for keeping was used to keeping used to be used to keeping
are less active than in the past are more active than in the past are as active as they used to be are as inactive as they used to be
walking, watching walking; watch walk; watch walk; watching
be ;cooling be; cool being; cool being; cooling
used to, is used to was used to, is used to is used to, used to used to, was used to
be ;cool be ;cooling being; cool being ;cooling
used to keep used to be used for keeping was used to keeping used to be used to keeping
Gene technology can help people to give birth to a baby. Gene technology can be used to clone human babies. How gene technology can be used to treat hereditary diseases. Gene technology can solve all the problems of the English imperial family.
湘公网安备 43130202000226号