The boy failed the exam because he _____ a lot of time playing the computer games.
| A．spent | B．paid |
| C．used | D．cost |
I think the_____invention is a mobile phone. What about you?
A、most helpful
B、more helpful
C、helpfulest
Can you provide us _________ some information _______ the computer?
A、for, with B、with, about C、about, with
HetookmyEnglish-Chinesedictionary_____mistake.
A、toB、byC、about
Wasacarinvented_____March4,1876?
A、onB、inC、at
Do you know where _________ some maps?
A、can I buy B、can buy C、I can buy