That is the small house less than 20 square meters, under ______Roof lives a large family of three generations.
A．which B．whose C．its D．that
What a table! I’ve never seen such a thing before. It is____long.
A．half not as wide as B．wide not as half as
C．not half as wide as D．as wide as not half
So far we have done a lot to build a low-carbon economy, but it is _______ ideal. We have to work still harder.
A．next to B．far from C．out of D．due to
---I heard Tom was badly injured in the football match.
----________, let’s go and see him.
A．If not B．If any C．If so D．If ever
Scientists have found it seems _______animals and humans are much alike than we thought.
A．as though B．even though C．only if D．even if
Parents should see to it _______ their children form the habit of brushing their teeth every day.
A．this B．that C．whether D．if
