The best way to explore _______ countryside is on _______foot.
English words are not always spelt_____________.A the way which they sound B by the way they sound C the way they sound D as they are sounded
The astronaut did many experiments in the spaceship,__________________much help for knowing space.
Once ____________ , a plan should be carried out.
—"How do you like the book?"— "It's quite different from I read last month."
He failed in the examination, ________ made his father very angry