If it ______for his invitation the other day, I should not be here now.
had not been
should not be
were not to be
should not have been
﹣﹣Are you sure you're ready for the test?
﹣﹣_________.I'm well prepared for it.( )
I'm afraid not
No problem
Hard to say
Not really
The party will be held in the garden, weather_________.
I have two elder brothers, ____ in the army for ten years.
Nothing could be done at the meeting, the chairman_____ absent.
Bats are surprisingly long-lived creatures, some ____________ a life span of around 20 years.