.—What are you busy with?—The conference___________in our city next week, as you know.
#97688
A
held
B
will be held
C
be holding
D
to be held
推荐题目
I wondered what great difficulty he had ________ the plan.
#89809
A
to carry out
B
carrying out
C
carried out
D
with carrying out
Mr. Andrew taught his students how to develop the basic skills in the physics class, ______ everything through jokes and experiments.
#92818
A
to explain
B
explained
C
explaining
D
explains
Properly _______ with numbers, the books can be easily found.
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A
marked
B
mark
C
to mark
D
marking
In April, thousands of holidaymakers remained ______ abroad due to the volcanic ash cloud.
#90617
A
sticking
B
to be stuck
C
stuck
D
to have stuck
Your cousin is said ________ a new computer program recently, but do you know when he will finish it?
#88521
A
to design
B
designing
C
to have been designing
D
to have designed