I’ve been writing this report for the last two weeks but it has to be handed it tomorrow.

问题补充：

I’ve been writing this report for the last two weeks ,but it has to be handed it tomorrow.

A. finally

B. immediately

C. occasionally

D. certainly

答案：

A. finally

B. immediately

(答案→)C. occasionally

D. certainly

解析：C【命题动向】考查副词辨析。

解析一：根据句意：过去的两个星期我断断续续地(occasionally)写着报告，但是明天它必须要交了。finally最终；immediately立即；certainly肯定，均不符合语境，故排除。

解析二：句意为“前两周我一直在时不时地写这份报告，而明天必须要上交此报告。”A项意为“最终，最后”；B项意为“立即，马上”；C项意为“间或，偶尔”；D项意为“当然”根据句意，选择C项。