---Could you let me know ________ yesterday ?
---Because the traffic was heavy .
| A．why did you come late | B．why you came late |
| C．why do you come late | D．why you come late |
There are ____ floors in this building, and my flat is on the ____ floor.
| A．ten; five | B．tenth; five |
| C．tenth; fifth | D．ten; fifth |
---Let’s go out to play football, shall we? --- OK, I _______.
| A．will coming | B．am coming |
| C．come | D．be going to come |
She often helps her mother ______ housework at weekends.
| A．do | B．to do |
| C．with | D．A,B and C |
--- What is your uncle? ---___________.
| A．He is tall and strong. | B．He is a postman. |
| C．He is a kind man. | D．He likes football. |
He______ very busy this week, but he ______ free next week.
| A．will be, is | B．is ,is |
| C．will be, will be | D．is, will be |