.All the students were listening carefully, with their eyes _____on the teacher.
#96083
A
fixed
B
being fixed
C
fixing
D
to fix
推荐题目
the rides at the Headland, visitors can take the shuttle to the Lowland.
#97043
A
Enjoying
B
Enjoy
C
Having enjoyed
D
Having been enjoyed
Everyone here will thank the firefighter for the things they have done to prevent fires______the environment safer.
#94582
A
make
B
to making
C
to make
D
from making
SARS is an illness that can result in death unless left _____in time.
#98128
A
to treat
B
treating
C
treated
D
treat
Do you know we have much difficulty ____ the work on time..
#97766
A
on finishing
B
finishing
C
to finish
D
at finishing