Put some and chicken on the sandwich.
| A．lettuce; slice | B．lettuces; slices |
| C．lettuce; slices | D．lettuces; slice |
Thank you for ______me to join you.
| A．invite | B．invitation | C．asking | D．Ask |
Students in town go to work ___their bikes.
| A．by | B．ride | C．on | D．in |
—______ do you go skateboarding? --- Twice a week.
| A．How soon | B．How far | C．How often | D．How long |
Doctor, is there_____with my legs? ____________.
| A．something wrong , Nothing serious |
| B．wrong something, Serious nothing |
| C．wrong anything, Serious nothing |
| D．anything wrong, Nothing serious |
He is ___this afternoon.
| A．go hiking | B．goes hiking | C．going hike | D．going hiking |