We need to think of _____ our products to meet the need of potential customers.
A.diversify
B.diversification
C.diversifying
D.diverse

I really must go and lie down for a while; I’ve got a _______ headache.
A.cutting
B.ringing
C.splitting
D.cracking

The doctor gave the patient_____ examination to discover the cause of his collapse.
A.a thorough
B.a whole
C.an exact
D.a universal

There used to be many centenarians on this island, ________ attracted twenty scientists going there last year.
A.this
B.who
C.where
D.which

He managed to keep his job ______ the manager had threatened to sack him.
A.although
B.despite
C.unless
D.therefore

The accident was caused by a taxi driver _______ the traffic light.
A.rushing
B.jumping
C.missing
D.beating

____ did I realise that the burglar was still in the house.
A.Only after
B.Only then
C.Seldom
D.Under no circumstances

The roadworks made _______ to the hotel from the main road difficult.
A.access
B.entrance
C.ways
D.approach

On Tet occasion this year, we had a meeting and decided to _______ to hold a party and invited all the teachers who had taught us at high school.
A.pay on the nail
B.pass the buck
C.dish out
D.chip in

A.handed
B.influenced
C.translated
D.regarded