It's important for us __________ English well.
---I’m going to take part in the piano competition next week.--- _____
---Why haven’t you asked her to come here?---She _______ an important experiment when I found her and she _____ it.
Because of the heavy traffic, it was already time for lunch break she got to her office.
---How do you find the talk given by Mr. Smith?---_________.
---If you are free, go skating with us, OK?---______________.