It is absolutely vital that food supplies should

The major mason why Americans enjoy an abundant food supply is that the amble land at thei

（课外选材)According to experts, the advantage of modified food is that it helps in pre

It is implied in the passage that the villagerA．needs a plentiful supply of trees.B．wants

They keep telling us that it is vital that we ______there on time.A．areB．beC．must beD．woul

It is absolutely vital that food supplies should

It is vital that enough money ______ to fund the project.A.be collectedB.must be collected