Bread and butter____________ for breakfast in many Chinese homes nowadays.
| A．serve | B．servers | C．is served | D．are served |
He works in a factory now, but he on a farm for 20 years.
| A．worked | B．has worked | C．had worked | D．had been working |
Glad to see you back. How long in Russia?
| A．did you stay | B．have you stayed | C．were you staying | D．have you been staying |
---Have you decided already?
---Yes, I at once.
| A．have decided | B．decided | C．will decide | D．had decided |
---Answer the doorbell, please. It must be your uncle.
---It Heidi. She’s coming over this morning to help me with my math.
| A．is | B．can’t be | C．could be | D．will be |
1don’t search my book case for your CD-player! Just look where it bein the drawer, in your schoolbag, or somewhere else like that.
| A．may | B．can | C．must | D．will |