―What do you think of my composition?―It _______ well _____ a few spelling mistakes.
.—Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.
.. The day________ he was looking forward________ in the end.
..---Who ________ it be that is knocking at the door?---It________ be Mother, but I’m not sure.
..If you cheat in the exam, you could hardly________ it.
..He once studied in Zhejiang University, ________he went abroad for further study.