Не обязательно писать все предложение просто ответы хорошо?

1)The artist did a rough drawing before ... the painting.
to do
doing
did
done

2)If Rachel worked harder she ...do even better at her studies
can
will
might
must

3)He looks angry! ... he ... arguing?
Was/ -
Did/ was
Has/ been
Did/ -

4)Not much is known about the possibility of the existence of rational beings on
other planets. Only ...research has been carried out in this field.
little
a few
few
much

5)"Please do as I say," he begged me.
He was pleased to do as he said.
He begged to do as I said.
He begged me to do as he said.
He begged me did as he said.

6)Oh, I’ll buy this rug! How much ... here?
it costs
is it costing
it is costing
does it cost

7)Foxes and deer are almost the only wild animals that can ... in England.
to be hunted
be hunting
be hunted
hunt

8)-- Whose car is that in the drive?
-- I don’t know. It’s not ... .
ours
our
its
your