（1）Withfivehungrychildrenseatedaroundthetable，thefooddisappeared．（2）Chinawillbethefirsttousenuclearweapon．（3）Hehadbuiltachemistrylabhewastwelve．[]A．in

Question

（1）With five hungry children seated around the table，the food disappeared ________．

（2）China will be the first to use nuclear weapon．

（3）He had built a chemistry lab________ he was twelve．

[　　]

A．in no time

B．at no time

C．at that time

D．by the time

Answer 1

答案：A;B;D
解析：
　　意为“立刻，马上”。 　　at no time意为“在任何时候都不……”。 　　by the time意为“到……为止；在……之前”。