--You look upset. What’s the matter?---I had my proposal ___________ again.
---Shall I show you how to write? ----_____.
___ is everyone’s duty___ the law.
--What time shall we meet, Betty? ---____.
I’m new here.Would you please ___ me a favour?
____ at a college or university in the USA, Chinese and other international students must demonstrate a strong ability in spoken and written English.