For Americans, it’s safe if the distance is about ______.
举一反三
- Americans usually feel comfortable when speaking with someone if the distance between them is about () inches to arm's length.
- Parents are always anxious about their children's (safe) ____________ . That's why they tend to overprotect them.
- It’s more correct to say that Americans would be very cautious of giving a compliment about someone’s __________.
- The bomb was taken away and the soldiers ____________ it at a safe distance from the houses.
- the safe load, for a truck of this type, about twenty-five tons The safe load for a truck of this type _______ at about twenty-five tons.