A．Comfortable Touch.B．Smile.C．Wonders of Touch.D．Keep in Touch, A: Comfortable Touch. B: Smile. C: Wonders of Touch. D: Keep in Touch,

What kind of smile is proper as a salesperson according to the conversation? A: smile loudly B: smile with mouth being closed C: giggle D: smile with face lighting up

The last tip you should bear in mind is ______when ____________. A: smile, talking B: to smile, talk C: to smile, talking

The visitors are requested ________ the exhibits in the Art Gallery. A: not to touch B: to not touch C: don’t touch D: will not to touch

They make you __( )___and feel happy. A: smile B: to smile C: smiling D: smiled

He _________ us while he was on vacation. A: keep touch with B: keeps in touch with C: kept in touch with D: kept touch with

They promised ______ each other when they went to work. A: get in touch with B: getting in touch with C: to get in touch with D: to get touch with

_____ my computer whileI’m away. A: Not touch B: Don’t touch C: Not to touch

The ______ waiter came to us and said "You're welcome". A: smile B: smiling C: to smile D: smiled

The_______waiter came up to us and said, “You are welcome.” A: smiling B: smiled C: smile D: to smile