—How long is it ______ you picked up your badminton training?—It was not until my finance became better last December _____ I started the training.
Don’t worry if you don’t understand everything, the teacher will ______ the main points at the end.
It is obvious to the students ______ they should get well prepared for their future.
---- Sorry, I have to ______ now. It’s time for class.---- OK, I’ll call back later.
A person ______ e-mail account is full won’t be able to send or receive any e-mails.
______ the project in time, the staff were working at weekends.