Helen always helps her mother even though going to school ________ most of her day.
| A．takes up | B．makes up |
| C．saves up | D．puts up |
It is the only time in history that two Nobel Prizes ________ to the same person.
| A．have been given | B．had been given |
| C．have given | D．will give |
People laugh at jokes, but seldom ________ about how they work.
| A．they think | B．think they | C．they do think | D．do they think |
---Why does Jane always ask you for help?
---- There is no one else ________, is there?
| A．who to turn to | B．she can turn to |
| C．for whom to turn | D．for her to turn |
It’s reported that many a house ________ by the heavy snow so far in New York.
| A．have been destroyed | B．has been destroyed |
| C．was destroyed | D．were destroyed |
No one really knows for sure ________ makes a person become right-handed rather than left-handed.
| A．whatever | B．who | C．what | D．whoever |