The author uses the word “services” to refers to which of the following ?
A.cups
B.sets
C.containers
D.decorations

The author uses the phrase “mint condition” to describe __________
A.something perfect
B.someting significant
C.something tolerant
D.something magical

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