﹣﹣ Can students go online during lessons？
﹣﹣ They can ________ it is for that lesson．（ ）
| A． |
if |
B． |
or |
C． |
so |
D． |
but |
Steve Jobs was full of always coming up with new ideas which led to great changes in society．（ ）
A．instructionB．invitation
C．introductionD．invention
pale you look! Are you feeling all right？
I'm not feeling well．I've got toothache．（ ）
A．How aB．HowC．What aD．What
If the customer rings up for me again，please the call to the sales department．（ ）
A．run throughB．look through
C．go throughD．put through
To make your DIY work perfect，you'd better not start you get all the tools ready．（ ）
A．whenB．whileC．beforeD．after
Oh， dear! A power（电源） cut!
Sorry， I didn't know you _________the washing machine．（ ）
A．usedB．are usingC．to useD．were using