did your father retire
your father retired
has your father retired
your father has retired
第1题:
— I wonder ________ you’ll water this kind of flower .
——Every other day.
A. how often B. how longC. how soonD. how much
第2题:
--- __________?
--- Two years ago.
A. Where did he go
B. How long has he been in America
C. When did he go to America
第3题:
第4题:
was designed many years ago,with a goal in mind:transmitting the human voice in a more-or-less recognizable form.
A.DWDM
B.PSTN
C.internet
D.WLAN
第5题:
第6题:
第7题:
Electricity () by the Greeks a good many years ago.
Awas first found
Bwas first discovered
Chas first been discovered
Dwas seen first
第8题:
How many years of experience do you have using any version of Windows Server? ()
第9题:
How many years of experience do you have installing, configuring, and/or administering Windows XP Professional?()
第10题:
did your father retire
your father retired
has your father retired
your father has retired
第11题:
in
thirty years ago
so
quite well
第12题:
was first found
was first discovered
has first been discovered
was seen first
第13题:
I wonder how many years ago _______.
A.did you father retire
B.your father retired
C.has your father retired
D.your father has retired
第14题:
A、on
B、in
C、at
D、/
第15题:
A.was first found
B.was first discovered
C.has first been discovered
D.was seen first
第16题:
Edison invented the light bulb many years ago(改为被动语态)
The light bulb__________ __________by Edison many years ago.
第17题:
第18题:
第19题:
I wonder if I could use your dictionary?()
AGo on.
BGo ahead.
CGo up.
DGo away.
第20题:
How many years of experience do you have with deploying and maintaining a virtualization infrastructure using any desktop or server virtualization technologies?()
第21题:
第22题:
第23题:
第24题:
Go on.
Go ahead.
Go up.
Go away.