There is still high possibility, ________ can be seen at the moment, ________ our company can beat the opponents (对手)

e’s house in the downtown area is much smaller than ours , but it is twice_______ expensive

You have nothing to ____ by refusing to listen to our advice.[ ]

Mum, have you seen my mobile phone— _________ you bought last week I’m sorry I haven’t seen _________.

I can ______ be a teacher. I’m not a verypatient person.