Bats are surprisingly long-lived creatures, some ________ a life span of 20 years.
#91788
A
having
B
had
C
have
D
to have
推荐题目
There are many talented actors out there just waiting _______.
#90770
A
to discover
B
to be discovered
C
discovered
D
being discovered
Every minute is made full use of _______ our lessons.
#97952
A
studying
B
to study
C
study
D
being studied