11th grade Variant 1, Question 1: Which of the following is the correct passive construction for this sentence? This

11th grade Variant 1, Question 1: Which of the following is the correct passive construction for this sentence? "This picture ... by a famous Italian artist of the 18th century."
a) was painted
b) is painted
c) had painted
d) to paint

Question 2: Which is the correct verb form for this sentence? "She ... the piano since she was ten."
a) has been playing
b) is playing
c) played
d) had played

Question 3: Which is the correct modal verb for this question? "... you like a cup of coffee?"
a) Would
b) Should
c) Could
d) Might

Question 4: Which is the appropriate modal verb for this sentence? "We ... do it by midday if we had the instruments."
a) might
b) must
c) can
d) could

Question 5: Choose the only word to make this sentence correct. [No actual text provided]