Iboughtthiseighteenthcenturywritingdeskataquite________price.
A、reasonableIdon'tknowhowwecanmake________onthetimetableforanymorecourses.
Wemust______thattheexperimentiscontrolledasrigidlyaspossible.
Weregretto________thatitmaynotbepossibletodealwitheveryrequest.
I'msorryIforgottowrite;Ihadsomuchelse________mymind.
Theaddressbook________theemailaddressesofyourfriendsorgroupsofcolleagues.