I told your friend how to get to the hotel,but perhaps Ihave driven her there.
| A． | could | B． | must |
| C． | might | D． | should |
Schools in the cities are well equipped those in the countryside are poor．
| A．if | B．while | C．so | D．as |
I received a letter，poor spelling made me think it was written by a child．
| A．which | B．that | C．whose | D．who |
The new online library makespossible for students to choose books by smart phone off campus．
| A．it | B．one | C．that | D．this |
We were delayed at the airport．Otherwise，wehere by lunch．
| A．must have been | B．could be |
| C．should be | D．would have been |
According to the latest study，most traffic accidentsbe prevented if drivers are careful enough．
| A．must | B．can | C．have to | D．need |