I want your_________, sir. I don t know what to do.
A、advices
B、pieceofadvices
C、advice
D、advise
Wood is often _________ paper.
A、usedtomaking
B、usedtomake
C、usedtobemade
D、usedmaking
—Youlookverypale.You__________verytired.—Ididn’tsleepatalllastnight.
A、mustbe
B、musthavebeen
C、canbe
D、canhavebeen
Hisbackacheisonly_________fornotwateringtheflowers.
A、areason
B、acause
C、anexcuse
D、reasons
Atthismomentthebellrang,________theendofclass.
A、announced
B、havingannounced
C、announcing
D、toannounce