— What were you doing when we were playing basketball yesterday afternoon?— I ______ the classroom.
#36324
A
was cleaning
B
have cleaned
C
will clean
D
clean
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Look! The boys _______ football on the playground.  
#42331
A
plays
B
play
C
are playing
D
played
 -When did your computer go wrong? -Last night, while I_______ some music from a website.
#38149
A
downloaded
B
am downloading
C
was downloading
D
have downloaded
I don’t think the shop _____________.
#40575
A
is open
B
opens
C
is opening
D
open
 --- What is he doing for vacation?-- He’s _______________.
#41642
A
going camp
B
go camp
C
go camping
D
going camping
His grandfather ________ for seven years. 
#42850
A
died
B
had died
C
has died
D
has been dead