Itis()foreveryfamilytomakeearthquakeemergencyplans
sensible
举一反三
内容
- 0
–Isthis_______pen? A: your;itis B: you;itis C: his;it’s D: her;isn’t
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Itis(polite)_____________toleavethetablebeforeeverybodyhasfinishedthemeal.
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Itis(simple)amatteroftime.
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Nevertrytomovethatdelicatepart;itis(move)______.
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Itis(certain)______truethattherewillbemorecoursestobeofferednextsemester.