当你上午见到朋友时，该如何打招呼？
A.Good morningB.Good afternoon
Ten years ago, I___ 3 years old.
| A．was | B．am | C．is | D．not |
She ___shopping on the Internet ten years ago.
| A．does | B．did | C．do | D．has |
Now she ____e-friends from all over the world.
| A．not | B．isn’t | C．has | D．weren’t |
Now he ___a mobile phone .
| A．have | B．has | C．had | D．is |
front of the dog .