There is ____ food for all of us.A: scarce enoughB: enough scarcelyC: scarcely enoughD

The ______ of the life－raft is sufficient for all of you.

The public cannot make informed choices of what food they buy because______.A．there is no

All ______ is a continuous supply of the basic necessities of life.A．what is neededB．for o

The passage suggests that______.A．there is no definite historical record for life of Valen

______ for a long time, the ponds are all dried up and a lot of fish are dead.A．There has

As is known to all, there are many forms of energy, ______is solar energy.A．one of thatB．o