He stood up, the large door and looked outside. There on the ground lay a white dog.
#96469
A
opens
B
opened
C
opening
D
having opened
推荐题目
— What made your skin look so terrible? — _______ to the sunlight for a long time.
#95390
A
Because it was exposed
B
After being exposed
C
Being exposed
D
Exposed
Carbon dioxide(CO2)_______ from burning fuels is the most common of the so-called greenhouse gases.
#91467
A
producing
B
having been produced
C
to be produced
D
produced
---- What do you think of the book ? ---- Oh excellent. It’s worth _________ a second time.
#89593
A
to read
B
to be read
C
reading
D
being read
As a student, every minute should be made use of _______.
#90806
A
study
B
to study
C
studying
D
studied
__ carefully if any change occurs when doing experiments in the lab..
#88398
A
Observe
B
To observe
C
Observed
D
Observing