_______ in large quantities in the Middle East, oil became known as black gold because of the large profit it brought.
A.That when discovered
B.Discovering
C.Discovered
D.Which was discovered

Mark Zuckerberg's enormous success has taken a lot of hard work and _______.
A.dedication
B.loyalty
C.reputation
D.indifference

A.relevant
B.attitude
C.assistant
D.argument

A.promote
B.profile
C.prefer
D.regret

(12) ______
A.locations
B.situations
C.positions
D.conditions

(13) ______
A.whom
B.where
C.whose
D.who

(15) ______
A.However
B.Moreover
C.Otherwise
D.Therefore

(16) ______
A.take
B.show
C.feel
D.get

This restaurant was highly recommended for good service, delicious food and kind- hearted boss.
A.generous and gracious
B.ambitious and greedy
C.attentive and helpful
D.polite and friendly

Vietnamese have a strong sense of hospitality and feel embarrassed if they cannot show their guests full respect by preparing for their interval.
A.friendliness
B.unfriendliness
C.generosity
D.politeness