16.Present Simple or Present Continuous?She (still/hesitate) whether to continue the experiments or not.
A) is hesitating
B) are hesitates
C) hesitates
D) will hesitates
E) hesitated

17.Choose the right variant of the main verb. Present Simple or Present Continuous?
Usually she (paint) pictures in the living-room.
A) paints
B) were paints
C) is painting
D) do paints
E) is paints

18.Choose the right variant of the main verb. Present Simple or Present Continuous?
What languages ... you (speak)?
A) was ... speaking;
B) were ... speaking
C) do ... speak
D) are ... speaking
E) is ... speaking

19.Choose the right variant of the main verb. Present Simple or Present Continuous?
My mother (do) a lot of work every day.
A) will doing
B) does
C) is doing
D) is done
E) are doing

20.Choose the right variant of the main verb. Present Simple or Present Continuous?
... you (tell) a lie now?
A) are ... telling
B) did ... tell
C) do ... tell.
D) doing... tell
E) does ... tell