There has been a widespread _______ about whether North Korea has successfully miniaturized a nuclear weapon and whether it has a working H-bomb.
A.gossip
B.rumour
C.challenge
D.doubt

If you do what you tell others, they ________ in you.
A.believe
B.won’t believe
C.will believe
D.would believe

We ________ in silence when he suddenly ________ me to help him.
A.walked - asked
B.were walking - asked
C.walked - was asking
D.were walking - was asking

To protect _______ hackers, security experts advise longer passwords _______ combinations of upper and lowercase letters, as well as numbers.
A.against - in
B.from - to
C.on - between
D.against - with

What can be inferred about the importation of marble memorials from England?
A.Such sculpture was expensive to produce locally than to import.
B.Such sculpture was as prestigious as those made locally.
C.Such sculpture was not available in the US.
D.The materials found abroad were superior.

Such problems as haste and inexperience are a universal feature of youth.
A.separated
B.shared
C.marked
D.hidden

Fansipan is the highest mountain in the Indochinese Peninsula.
A.There are some mountains in the Indochinese Peninsula higher than Fansipan.
B.The Indochinese Peninsula includes one of the highest mountains on earth.
C.The highest mountain in the Indochinese Peninsula is exclusive Fansipan.
D.No mountains in the Indochinese Peninsula are higher than Fansipan.

It’s possible that Joanna didn’t receive my message.
A.Joanna can’t have received my message.
B.Joanna might not have received my message.
C.Joanna may have received my message.
D.Joanna might have received my message.

What is the greatest speed of tsunami travelling across the deep ocean?
A.150,000 kilometres an hour
B.200 kilometres an hour
C.700 kilometres an hour
D.800 kilometres an hour

The word “they” in paragraph 2 refers to ________.
A.Volumes of water
B.Coastal waters
C.Coastal settlements
D.Tsunamis