請說明下語法或原因
the boy wanted to ride his bike ,but his mother told him )我覺得沒答案啊這題
a:not to
b:not to do
c:not do it
d:do not to
she can't help )the house because she's busy making a cake
a:to clean
b:cleaning
c:to cleaned
d:to cleaning
the thief stole into the house ,)by the owner
a:only to be caught
b:only being caught
c:having been caught
d:caught
)a teacher,we should set a good example to students
a:being
b:having
c:to be
d:to have been