【单选题】
I am not sure whether I can gain any profit from the investment, so I can’t make a(n) ____ tohelp you.
①
exact
②
defined
③
definite
④
sure
【单选题】
— Good morning, Dr Johnsons office. Can I help you?— _______________________.
①
Speaking, please
②
Id like to make an appointment, please
③
Yes, go on
④
No, you cant
【单选题】
— I can’t find my mobile phone. I’m sure it’s in this room. — _______. I’ll call you with my phone. When it rings, you can follow the sound.
①
Excuse me.
②
Good luck
③
Don’t worry
④
ok
【单选题】
how long can I stay in the mountain ?
( ) you like.
①
As far as
②
As well as
③
As soon as
④
As long as