15 tons of goods can’t simply disappear into thin air.（)

According to our calculation there is shortage of ten tons of oil compared with yoursI can

Cooperating is simply working together ______ teammates ______ the good of the team.

If your vessel bums 8 tons of fuel per hour at 15 knots, how many tons per hour will it bu

Some people simply can‘t take it and they just go insane.A.reasonableB.sensibleC.crazyD.un

______holds that language learning is simply a matter of imitation and habit formation.A．T

Only when goods can be carried to all parts of th