Some English scientists are identifying problems ____ technology in the 21st century. If solved, the solutions could change the world.
#97172
A
facing
B
faced
C
being faced
D
having faced
推荐题目
I would rather _____ a little earlier to avoid ________in the rush hour traffic.
#95358
A
to start; catching
B
start; being caught
C
start; to be caught
D
starting; being caught
They will start their project ____at helping the poor children to be educated in China＇s west.
#91862
A
aims
B
aiming
C
being aimed
D
aimed
—What are you busy with?—The sports meeting ______ in our school next week.
#90584
A
held
B
to be held
C
is holding
D
will be held
_______ round the city, we were impressed by the city’s new look.
#95749
A
Taken
B
Taking
C
To be taken
D
Being taken
The officer gave orders that anyone_____ a gun should be reported to the police station.
#89684
A
seen taking
B
see taken
C
seeing take
D
sees take