Difficult _____ in practice, this new technique hasn’t been applied.
#91010
A
operated
B
to be operated
C
operating
D
to operate
推荐题目
Television has many advantages. It keeps us _____ about the _____ news and also provides entertainment in the house.
#98042
A
informed; latest
B
to know; later
C
learning; latter
D
to think; latest
With so many people __in English every day, we can see it will be more and more important ___ a good knowledge of English．
#96448
A
to communicate, have
B
communicate; having
C
communicating; to have
D
communicated; to have
We don’t allow____here,but we can allow you ____in the next room.
#96761
A
smoking,smoke
B
smoke,smoking
C
smoking,to smoke
D
smoke,to smoke
A person _______such kind of work must be careful enough,________ an eye on any sign of the possible result .
#98504
A
to do ; to keep
B
doing ; keeping
C
to do ; keeping
D
doing ; to keep
From the dates on the gold coin, we know that it was made 500 years ago.
#95085
A
marking
B
marked
C
to mark
D
to be marked