Vitamin K providing (A) the necessary impetus (B) for the synthesis of at least (C) two proteins involved (D) in blood clotting.
A.providing (A)
B.the necessary impetus (B)
C.at least (C)
D.involved (D)

The (A) leader is so (B) interested (C) that (D) I can talk to him all day.
A.The (A)
B.so (B)
C.interested (C)
D.that (D)

She finally gets used to (A) drive (B) on the left (C) in Britain where (D) she is studing.
A.used to (A)
B.drive (B)
C.on the left (C)
D.where (D)

I’m going to get a tailor lengthen (A) the sleeves of (B) the new shirt which (C) I bought at the shopping mall (D) yesterday.
A.lengthen (A)
B.of (B)
C.which (C)
D.at the shopping mall (D)

The preferring (A) of many (B) Western cultures for maintaining (C) a physical distance of at least (D) three feet during social interaction is well documented in anthropological studies.
A.preferring (A)
B.many (B)
C.maintaining (C)
D.at least (D)

We are intimate (A) friends, and he can make (B) me to laugh (C) even when (D) I’m upset.
A.intimate (A)
B.make (B)
C.me to laugh (C)
D.even when (D)

Don’t forget buying (A) some (B) milk because (C) the milk in the fridge turned (D) sour some days ago.
A.buying (A)
B.some (B)
C.because (C)
D.turned (D)

It is essential that (A) you bought (B) a new shirt (C) for (D) the upcoming interview.
A.that (A)
B.bought (B)
C.a new shirt (C)
D.for (D)

My car isn’t working (A) well these days, so (B) I think I need to have it (C) repair (D).
A.isn’t working (A)
B.so (B)
C.it (C)
D.repair (D)

His parents don’t (A) allow him (B) staying out (C) late on weekdays (D).
A.don’t (A)
B.him (B)
C.staying out (C)
D.on weekdays (D)