注现在意完:成短时暂中常性见动的词时间(如状b语o:rraolrwea,dyb,ueyve,rm, naevrreyr,, dyeiet,,rjeoceinnt等ly,)t不hes能e fe与w表da示ys, 一in t段he时pa间st +的时状间,语连用。
since/for +时间, by+现在时间…
B. have taken place; have been set up
C. are taken place; had been set up
D. took place; will set up
5. ---How long ago ___ these eggs___? --- Perhaps 15 days ago. A. will; hatch B. did; hatch C. were; hatched D. have; been hatched
一般将来时 will do 过去将来时 would do
will be done would be done
现在完成时 has/have done has/have been done
过去完成时 had done
had been done
现在进行时 is/are doing is/are being done
6. Betty___ injured since last Saturday.
A. has been B. was
C. is
D. has
7. It’s said that this book___ into Chinese. A. had translated B. has translated C. was translated D. has been translated