I bought three books, but none of _______ is interesting.
| A．which | B．that | C．what | D．them |
Only after I read the book _______ why she devoted all her life to medical work for
Chinese women and children.
| A．I understood | B．had I understood |
| C．did I understand | D．I had understood |
It is ______ to improve the working conditions for the construction workers.
| A．worthwhile | B．worth | C．worthy | D．worthy of |
Nobody but me ______ that either you or Tom ______to take part in this activity.
| A．knows / is | B．know / are | C．know / is | D．knows / are |
—Do remember to observe the traffic rules in order not to have a record of speeding or drunk driving.
—_________.
Made itB. Understood itC. Got itD. Remembered it
________ is to attend our evening.
| A．Both the singer and the dancer | B．Either the singer or dancers |
| C．The singer or dancers | D．The singer and dancer |