Where she will go and when she will leave _____ what I want to know.
| A．is | B．were | C．was | D．are |
____ is known to everybody, the moon travels round the earth.
| A．As | B．It | C．When | D．Where |
There are many toys, you can take _______you like.
| A．whatever | B．whichever | C．however | D．whenever |
_____ is known to everybody that the moon travels round the earth.
| A．It | B．As | C．When | D．Where |
Was it during the summer vacation ______ he went to Shanghai?
| A．that | B．when | C．where | D．which |
We prefer__________alone rather than__________.
| A．staying; go out | B．staying; going out |
| C．to stay; to go out | D．to stay; go out |