-It's getting dark. I must be off now.-OK, please take care and ________ my best wishes to your family.
--Peter! Hurry up! You ___ on the phone. ---Oh, I ___ .Thank you.
Walk along this road and you’ll find it on the night.Here “along” means ___.
---Would you please show me ___ to run the machine?----Sure.
Great changes ___ in the recent years.
The reason ___ he didn’t attend the meeting yesterday was ___ his child had fallen ill.