A.ink
B.smile
C.cite
D.life

A.several
B.little
C.many
D.plenty

A.several
B.little
C.many
D.plenty

A.warning
B.interest
C.view
D.attention

A.As a result
B.Therefore
C.However
D.So

A.where
B.when
C.who
D.which

A.guests
B.visitors
C.customers
D.clients

A.attentive
B.smiling
C.restless
D.silent

A.attentive
B.smiling
C.restless
D.silent

A.Lai Châu
B.Lào Cai
C.Điện Biên
D.Sơn La