Wait a moment, please. When I _________ writing the letter, I will go shopping with you. 
#99366
A
will have finished
B
have finished
C
will finish
D
finished
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Ladies and gentlemen, please fasten your seat belts .The plane _____ .
#101606
A
takes off
B
is taking off
C
has taken off
D
took off
The plane___________at 11:05. 
#103570
A
takes off
B
took off
C
will take off
D
taking off
Food supplies in the flood-stricken area ______. We must act immediately before there’s none left.
#101593
A
have run out
B
are running out
C
have been run out
D
are being run out