A.0,86 mm.
B.7,2 mm.
C.9,6 mm.
D.8,1 mm.

A.2
B.3
C.4
D.5

A.laughed
B.sacrificed
C.cooked
D.explained

A.laughed
B.sacrificed
C.cooked
D.explained

A.meat
B.bean
C.sweat
D.meaning

A.from
B.in
C.about
D.to

A.pack
B.bone
C.shirt
D.top

A.holding
B.making
C.getting
D.doing

A.outgoing
B.mischievous
C.formal
D.caring

A.You may not worry about the exam.
B.The exam is not difficult enough for you to be worried so much.
C.You mustn't worry about the exam.
D.You don't have to worry about the exam.