“Shall we go shopping?” “Sorry, we _______ buy anything now because none of the shops are open.”
There is clear evidence _____ smoking does harm to our health.
I was lying in bed last night when I felt the house______. Then everything became silent.
I doubt______ he will come to attend our school’s 107th anniversary ceremony.
---Tom’s been sent to the USA for further study. What about his twin sister? --- _____.How lucky they are!
–Will you go camping this weekend? --Good idea! As we know, going camping in spring ______us less tired.