Many early Europeans, ________ the earth to be flat, feared that Columbus would fall off the edge of the earth.
#95442
A
believing
B
having believed
C
believed
D
to believe
推荐题目
So many problems ________, he is having a difficult time.
#88268
A
settled
B
to settle
C
settling
D
are to settle
This soup is cold; it needs _____.
#97524
A
to heat
B
to be heated
C
being hot
D
heated