—I wonder if he ______ in the discussion tonight?---I believe if he _____ his homework, he will join us.
---Peter is very clever and he studies hard as well. ---No ______ he always gets high marks in the examinations.
We have two rooms___, but I can’t decide _____.
---Have you finished your work yet? ---No, not yet. I think it'll take _____ ten minutes.
With the help of the computer, information can ____every corner of the world swiftly.
---Why do you look so sleepy today? ---I stayed up late last night. It’s too much for me to _____.