问题

Exactly when the first people arrived in________ we now know as California, no one really knows.
A:beaten
B:what
C:that
D:it
B:what
C:that
D:it
正确答案是:
同类题型
It is reported that great efforts made to ________ the case have paid off.
Lack of money __________ her not continuing her studies.
We’ll the test of vocabulary while studying English. Try to enlarge yours by reading.
___________ our plan, there will be a meeting next Monday.—Oh, thanks, I will be there on time.