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1)  3 ⁵ + 3 ⁹ / 3 ⁻⁵ + 3 ⁻⁹

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1) There is not ... ink in my pen. 
many
any
few
some  
2) Must I describe the picture? No, you ... not.
may
can
must
need
3) My sister studies French. She ... already read and speak French a little.
must
need
can
may   
4) She … going to become an economist.
does
is
are
am 
5) He was so tired that he couldn't ... us.
to join
joining
join
joined  
6) We are answering ... questions. 
them
ours
their
him    
7) Tom has no mother. ... mother is dead.
him
us
her
his   
8) I don’t find … problems in this case.
no
some
a little
any   
9) You … go in for sports if you want to be strong and healthy.
may
must
are
have
10) Shall I make the final choice right now? No, you ....
mustn’t
needn’t
can't
couldn’t
11) She has … bread. 
few
much
many
most   
12) Where ... you going when I met you last night?
were
are
will
did  
13) He was so tired that he couldn't ... with us. 
went
go
to go
gone
14) She bought … bread in the shop yesterday.
some
a lot
few
a few
15) His children are so nice. I am fond of ….
they
him
them
their   
16) When are you … to do this task?
finished
finishing
finish
are finishing 
17) We were watching TV while the children ... in the garden.
will be playing
played
were playing
are playing
18) I ... this wonderful film when I was 16.
see
had seen
saw
have seen 
19) What are you doing? - I ... reading a book.
shall
am
was
do
20) If my advice ..., I’ll be so happy!       

help
helps
have helped
will help