Английский. Правильно ли сделал?

1. Alex’s electricity was cut… A. off because she forgot to
pay the bill.
2. Wear a mask because these
chemicals give…
B. metals such as lead into
gold.
3. I’m writing an essay and I need
to find…
C. out who discover penicillin.
4. I was pleased that our gamble
came …
D. on in physics over the last
year.
5. Alchemists spent years trying to
turn…
E. off fumes that can be
harmful.
6. Your teacher says you’ve really
come…
F. off and the experiment
was a success.

1-A, 2-E, 3-B, 4-F, 5-D, 5-C