, he dialed 999.
| A．Seen the house on fire | B．To see the house on fire |
| C．Being seen the house on fire | D．Seeing the house on fire |
I ______ my university professor in the supermarket near my house, which was out of my expectation.
| A．came out | B．came across | C．came about | D．came along |
I was not _______her presence till she spoke to me.
| A．aware | B．aware about | C．aware of | D．aware to |
There is no need ______ because Mr. Smith is still sleeping.
| A．to hurry | B．hurrying | C．hurry | D．hurried |
When ____about his family, he is always refusing to answer.
| A．asked | B．asking | C．being asked | D．mentioned |
----Why didn’t you see me wave to you then ?
----Oh, If so. I must say sorry. I think I____ in the other direction.
| A．looked | B．was looking | C．have looked | D．am looking |