There are some health problems that , when _______ in time , can become bigger ones later on.
#90838
A
not treated
B
not having treated
C
not to be treated
D
not having been treated
推荐题目
The railway station was overflowing with people _______ back home for the Spring Festival.
#91448
A
to head
B
heading
C
headed
D
head
Charles Babbage is generally considered to _______ the first computer.
#94390
A
to invent
B
inventing
C
to have invented
D
having invented
Have you realized the difficulty we have ____ the problem?
#96909
A
worked out
B
to work out
C
work out
D
working out
As a result of the earthquake, two-thirds of the buildings in the area________.
#96459
A
need repairing
B
needs repairing
C
needs to be repaired
D
need to repair