.—What ________ the twins _________ on weekends?
—She usually goes skateboarding.
| A．do, do | B．does, do | C．does, does | D．do, does |
—What class are they having?
—Math. Their math teacher is _____ the classroom.
| A．in the front of | B．in front of | C．on | D．behind |
—What does your sister usually do in the evening?
—She usually______ TV, but now she _____ a book. .
| A．watch; read | B．watches; is reading |
| C．is watching; sees | D．watches; is seeing |
—How does your father go to work?
—He often goes to work __________.
| A．by a bus | B．take the bus | C．by bus | D．take bus |
After a long hiking, the boy was ________ tired to walk.
| A．too | B．to | C．so | D．very |
— There are still many old city walls in Xi’an, _______?
—Yes, there are.
| A．are there | B．aren’t there |
| C．are they | D．aren’t they |