________ he finished writing his paper in such a short time surprised us all.

查看本题答案

包含此试题的试卷

He ______ it this morning. A. wrote has written was writing had written

write writing to write wrote

to have written to be writing having writing writing

is writing has been writing was writing wrote

worked was working had worked is working

was writing wrote has already written is currently writing

He ______ it this morning. A. wrote has written was writing had written

shouldn’t be can’t have finished can’t be mustn’t have finished

was writing, has finished wrote, finished wrote, has finished had written, has finished

is writing has been writing was writing wrote

If Whether When While

was writing is currently writing has already written wrote

shouldn't be can't have finished can't be mustn't have finished

was writing, has finished wrote, finished wrote, has finished had written, has finished

because until since when

was writing; has finished wrote; finished wrote; has finished had written; has finished

He it this morning. A. wrote has written was writing had written

finish to write will finish writing finishes writing finished to write

because until since when