- ---------- through a prism, a beam of white light breaks into all the colors of the rainbow.
(A) When shines
(B) It shines
(C) It is shone
(D) When shone
The answer is D why can’t I select A?
- ---------- begin their existence as ice crystals over most of the earth seems likely.
(A) Raindrops
(B) If raindrops
(C) What if raindrops
(D) That raindrops
The answer is D can I also use A
- ---------- a marshland that covers over 750 square miles in North Carolina and Virginia.
(A) In the Great Dismal Swamp,
(B) The Great Dismal Swamp, which
(C) The Great Dismal Swamp,
(D) The Great Dismal Swamp is
This one is really confusing D is the answer but I think A and C also correct.
- ---------- book jubilee which was based on the life of her great-grandmother, Margaret Walker was awarded the Pulitzer Prize.
(A) For her
(B) Her
(C) It was her
(D) That her
The answer key says A can I use B as well.
Please help me with explanation on how this problems be solve. With great appreciation in advance.