. If the day _______ wet, we may have to change our plans.
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.
More attention should be paid __________ English.