It is worth considering what makes “convenience” foods so popular，and ________better ones of your own.
#91040
A
introduces
B
to introduce
C
introducing
D
introduced
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No matter how bright a talker you are, there are times when it’s better silent.
#91718
A
remain
B
to remain
C
having remained
D
to be remained
____ to get a ticket for the 2013 FIFA World Cup, George has been standing in a queue for two days.
#90565
A
Determining
B
Being determined
C
To determine
D
Determined
---What made him so angry? --- _______.
#96193
A
Because his son escaped from school
B
His son’s escaping from school
C
His son escaped from school
D
What his son escaped from school
English is difficult________. Nobody can learn to use it in a few minutes.
#94208
A
learning
B
to be learned
C
learned
D
to learn