你可能感兴趣的试题
it was carrying out a mission it was flying back to outer space it was landing in a field people aboard were repairing a damage
the public took a great interest in the big mysterious hole army engineers and mechanics were not in the least certain how the hole had appeared objects from outer space hold a special attraction, for many people the man who claimed to be well-informed about flying saucers turned out to be a cheat
he,moving people ,surprising an astronaut, interesting man ,beginning
a group of early hunters the first men on earth a great prehistoric thinker the man who made the first cart
send for send up send off send out
strange marks close to the hole strange hot gas a slightly burnt small tree a tiny piece of metal in the hole
utterly infeasible lacking in imagination more probable than the one offered by the army creative though not necessarily reasonable
a; an the; an /; the a; the