【C10】A．enoughB．substantialC．enormousD．vast

Bean is ___ in the northeastern part of China.A、to grow vastlyB、vast grownC、vastly grown

【C6】______A．enoughB．allC．many

A．enoughB．scarceC．cheapD．popular

【C4】A．countlessB．titanicC．broadD．vast

【C2】A．enoughB．littleC．muchD．few

【C16】A．effectiveB．substantialC．preliminaryD．contemporary