1. I wondered what he ... about the accidenta)knew b)had known

1. I wondered what he ... about the accident
a)knew b)had known c)knows
2.If you ... earlier than me pleas wait are little
a)will come b)come c)came
3. I peeped into the classroom.The teacher ... in front of the class
a)was standing b)stood c)stands
4. She ... never ... a lie to anybody
a) told b)has told c)was telling
5. I ... dinner when my friend called.
a) had b)was having c)will have