Teenage is an especially important stage for us, ______we are supposed to go all out to improve ourselves because anything can happen.
| A．what | B．where | C．which | D．that |
Tom was very angry about ________ to Mary’s birthday party.
| A．not inviting | B．being not invited | C．not being invited | D．not to be invited |
You can come here to ask me _____ if you have any questions.
| A．at one time | B．at your time | C．at any time | D．all the time |
Having a trip abroad is certainly good for the old couple, but it remains ______ whether they will enjoy it.
| A．to see | B．to be seen | C．seeing | D．see |
Tom will succeed _____ your property after your death,but I don’t think he is success.
| A．in, / | B．at , a | C．to , a | D．from, a |
It doesn’t seem ugly to me,________,I think it’s rather beautiful.
| A．on purpose | B．in addition | C．in case | D．on the contrary |