It ______ me three hours to finish the work.
| A．pay | B． took | C．spent | D．cost |
Finally, Mary made the baby ______ and the baby began to laugh.
| A．stop to cry | B．to stop crying |
| C．stop crying | D．to stop to cry |
---I’m sorry to keep you waiting.
--- It doesn’t matter. I ____ here for only a few minutes.
| A．have been | B．was |
| C．had been | D．will be |
I find ____ difficult to study English well, though I am still young.
| A．that | B．it | C．this | D．they |
When we meet our friends, we get ________about something and end up______ in Chinese.
| A．exciting ; speaking | B．exciting ; speak |
| C．excited ; speaking | D．excited ; speak |