问题
I have finished translating a large part of the book, but the rest ___ more difficult.
A:is
B:are
C:was
D:were
B:are
C:was
D:were
正确答案是：
同类题型
（题文）The employee might have been dismissed by the employer last month,______
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Finally they came into a house,______ there were some flowers.
He ___________busy yesterday, or he __________you with your experiment
Could you go to buy some drinks—____. I am busy washing the clothes.