The time he has devoted in the past years_________the disabled is now considered _________of great value.
| A．to help; being | B．to helping; to be | C．to help; to be | D．helping; being |
—What’s the noise outside?
—Some children_____ hide-and-seek in the yard.
| A．were playing | B．are playing | C．have played | D．played |
I couldn’t help feeling greatI put on the parachute and was pulled off the beach.
| A．even though | B．whether | C．while | D．the moment |
We are deeply impressed by the goal from the conferencethe average income will double by the year 2020.
| A．that | B．which | C．what | D．whose |
Can you be honest aboutit would take to defend yourself against a gun attack?
| A．whether | B．how | C．who | D．what |
It is culture more than anything elsedetermines how a nation’s civilization evolves.
| A．that | B．which | C．why | D．as |