Food contamination is monitored (A) by the Food and Drug Administration, which (B) periodically (C) conducts controlled strictly inspections (D) of foodstuffs.
A.is monitored (A)
B.which (B)
C.periodically (C)
D.controlled strictly inspections (D)

Many people have found (A) the monotonous buzzing of (B) the vuvuzela in the 2010 World Cup (C) matches so annoyed (D).
A.have found (A)
B.the monotonous buzzing of (B)
C.in the 2010 World Cup (C)
D.annoyed (D)

Contemporary (A) poet James Merrill writes (B) autobiographical verse that building on (C) remembrances of his (D) childhood.
A.Contemporary (A)
B.writes (B)
C.building on (C)
D.his (D)

The movie launching (A) last year was considered (B) to be (C) a blockbuster (D).
A.launching (A)
B.was considered (B)
C.to be (C)
D.a blockbuster (D).

Climbing down the tree (A), one of the eggs was broken (B) so he decided to throw (C) it (D) away.
A.Climbing down the tree (A)
B.was broken (B)
C.decided to throw (C)
D.it (D)

In spite of (A) raining (B), we dediced not to call (C) off (D)our picnic.
A.In spite of (A)
B.raining (B),
C.dediced not to call (C)
D.off (D)

The worker stopped smoking (A) in the middle of the night (B) because (C) he felt sleepy (D).
A.stopped smoking (A)
B.in the middle of the night (B)
C.because (C)
D.sleepy (D)

She can’t help going (A) to shop (B) when (C) she isn’t in a good mood (D).
A.can’t help going (A)
B.to shop (B)
C.when (C)
D.in a good mood (D)

Having not been to (A) the sea before, they couldn’t fall asleep (B) due to (C) their excitement (D).
A.Having not been to (A)
B.fall asleep (B)
C.due to (C)
D.their excitement (D)

The girl regreted to break (A) the vase that (B) her father gave her mother (C) on their wedding anniversary (D).
A.regreted to break (A)
B.that (B)
C.gave her mother (C)
D.on their wedding anniversary (D).