______ between 8 a.m. and 10 a.m. this morning, the jewellery shop was robbed.
| A．Sometimes | B．Some times |
| C．Sometime | D．Some time |
— When _________ you________ your teeth, Billy?
—Just now.
| A．do; brush | B．have; brushed |
| C．did; brush | D．was: brushing |
When I was walking in the street, I saw a plane___________ over my head.
| A．flies | B．flying | C．flew | D．fly |
We ___________ when the teacher came in.
| A．were talking | B．talked |
| C．talk | D．are talking |
I will let you know about it as soon as I _________ the news.
| A．will get | B．am getting | C．got | D．get |
Beijing has ________ many buses that there is often a traffic jam in rush hours.
| A．so | B．very | C．too | D．much |