----How long has Sam been skating?------He for five hours.A have been skating B has been skating C was skating D has been skated
-Why don’t we go to the World Park? -_______.
The number of the students in our class is _______than _______in yours.
He is better than me_______ swimming.
Who did the teacher have _______ how _______ the computer?
I hope there are enough glasses for each guest to have ___.