Though ______, many laws of nature exist.
#97974
A
not having been discovered
B
having not been discovered
C
not having discovered
D
having not discovered
推荐题目
The direct flight has proved successful,________ Taiwan another tourist destination for people on the mainland.
#88726
A
made
B
making
C
make
D
makes
________ to overcome the difficulty,he works day and night.
#95399
A
Determined
B
Determining
C
To determine
D
To be determined
The look on his face showed that he was greatly of being left alone in the house.
#96029
A
terrified;terrifying
B
terrified;terrified
C
terrifying; terrifying
D
terrifying; terrified
I regret _______ you all present that only one job will be offered in the department.
#88530
A
telling
B
to tell
C
to have told
D
being told
I do not have a job. I would find one but I _____ no time.
#98108
A
had
B
didn’t have
C
had had
D
have