Simon made a big bamboo box _______ the little sick bird till it could fly.
| A．keep | B．kept | C．keeping | D．to keep |
At first, being scared, the bird fluttered about the cage, but finally it ________ in its new house.
| A．settled down | B．settled up | C．set up | D．set down |
I’m fond of my sister, but she has a serious shortcoming. She _______ be really stubborn.
| A．must | B．will | C．can | D．should |
Those successful deaf dancers think that dancing is an activity ________ sight matters more than hearing.
| A．when | B．that | C．which | D．where |
Train services are usually ________ and run regularly every day.
| A．reliable | B．reasonable | C．flexible | D．comfortable |
She is very dear to us. We have been prepared to do _________ it takes to save her life.
| A．whichever | B．however | C．whatever | D．whoever |