You have a portable computer that runs Windows 7. The computer is joined to a domain. Multiple users logon to the computer. You need to prevent the computer from displaying the username of the last user whologged on. What should you do?()
第1题:
A、 Have you gone
B、 Are you going
C、 Have you been
D、 Did you go
第2题:
You buy a gift, but you can if you want to.
A. must
B. mustn't
C. have to
D. don't have to
第3题:
A.Do you have a reservation?
B.Have you paid beforehand?
C.Have you made an order?
D.Do you have an appointment?
第4题:
A、Will you try
B、Have you tried
C、Do you try
D、Are you
第5题:
A unless you will have ;
B unless you don’t have ;
C unless you have
第6题:
A、of course
B、thank you. I may
C、I'll have a try
D、well,I won't disappoint you
第7题:
There are many ________ in the port
A.wharf
B.wharfs
C.wharves
D.wharfes
第8题:
A.Do you try
B.Have you tried
C.Are you trying
D.Have you been trying
第9题:
A、did you put; have put
B、have you put; put
C、had you put; have put
D、were you putting; have put
第10题:
A、might meet
B、might have met
C、may have met
D、may have been met