The bomb which went off this morning caused a lot damage.
A.which
B.went off
C.caused
D.a lot damage

The simplest kind of plant, alike the simplest kind of animal, consists of only one cell.
A.simplest kind
B.alike
C.consists of
D.only one cell

__________ (46)
A.give
B.put
C.take
D.have

__________ (47)
A.yet
B.never
C.once
D.ever

__________ (48)
A.Concerning
B.Regarding
C.Depending
D.According

__________ (49)
A.strict
B.severe
C.strong
D.healy

When I __________ at my suitcase, I could see that someone _________ to open it.
A.look/try
B.looked/tried
C.looked/had tried
D.looked/trying

This is the first time my friend _____________ this old machine.
A.Used
B.had used
C.has used
D.have used

At the centre of the Earth ‘s solar system ___________.
A.lies the Sun
B.is where the Sun lies
C.the Sun lies
D.does the Sun lie

Unfortunately not all of us obtain our just ________ in this life.
A.wins
B.gains
C.demands
D.deserts