單項(xiàng)選擇題We're having some（）problems with our new computer.

A.teeth
B.tooth
C.teethe
D.teething


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1.單項(xiàng)選擇題My（）surprise was soon replaced by delight.

A.first
B.starting
C.beginning
D.initial

2.單項(xiàng)選擇題What did you type in? The computer screen showed（）message.

A.error
B.an error
C.wrong
D.mistaken

3.單項(xiàng)選擇題We can't tell you the results until we have looked at（）

A.all the datum
B.the all data
C.all the data
D.the all datum

4.單項(xiàng)選擇題Please go over to your PC and（）

A.boot it up
B.boot up it
C.boot up
D.boot

5.單項(xiàng)選擇題He has（）for music.

A.an intelligence
B.an talent
C.a creativity
D.a mind