I suggest they _______ at once.A. setting off B .to set off C. set off D have set off
---Well, it’s too late.I have to go. ---OK.____!
He’s rather walk than ___ a bus in the rush hour.
I’m quite familiar ___ the writer who wrote these songs.
We made plans for a visit but _____ difficulties with the car prevented it.
He didn't _____ what I read because his mind was on something else.