— _______ have you lived in Lanzhou?
— Since my parents found jobs here.
| A．How long | B．How far |
| C．How soon | D．How old |
When his wife died, he lived ______; his lovely pet dog made him feel less ______.
| A．alone, alone | B．lonely; alone |
| C．lonely; lonely | D．alone; lonely |
All the students know shouting at the elderly is impolite.
| A．can | B．could | C．must | D．need |
We can’t work out this problem. Can you tell us ______ ?
| A．how to do | B．what to do it |
| C．how to do it | D．what should to do |
—Don't talk in the library. Always keep quiet here. —_________.
| A．I see. | B．Yes, I am. |
| C．I can. | D．I do. |
A number of foreign visitors _____ Chengdu many times because it is such a beautiful city.
| A．have been to | B．has been to |
| C．has gone to | D．have gone to |