Помогите пож.выбрать правильный вариант:
1)"You...hard today".-"Yes, I have a lot to do.
a)work    b)are working   c)worked
2)"It ...dark".-"Shall I turn on the light?"
a) gets   b)is getting  c)will get   d) got
3)How nice to see you!What ...you ... these days?
a)do...you    b)are...doing    c)has boiled     d)has been boiling
4) I go to the swimming pool three times a week.I hope I ... swim well by next summer.
a)can    b)have to    c) must     d) will be able to
5) I think they would prefer fruit...cakes.
a) in    b)to   c) for   d) from 
6)All people have holidays once... year.
a) in a    b) a     c)the     d)-
7)When my luggage ..., it turned out to be too heavy.
a)is weighed    b) was weighed    c) was being weighed
8)The doctor told me ... in bed for a few days.
a)stay     b) to stay   c) stayed   d)staying
9)Let the children... home.
a)to go    b)go   c)are going
10)"Nelly doesn"t  like that Tom is smoking in the room,...?"-"Yes,I think so",
a)does she   b)doesn"t she     c)hasn"t she    d)has she