1 . I___________ for a lecture this afternoon, so I’m afraid I won’t be able to meet you at the airport.

A．have prepared	B．will have prepared
C．have been preparing	D．will be preparing

2 . I _________ my final exam at 3 o’clock tomorrow afternoon, so I can’t play basketball with you.

A．will take

B．am taking

C．will be taking

D．take

3 . What do you guess our friend Bob ________ when we get his home?

A．are doing

B．will do

C．have been doing

D．will be doing