He _____ to surf the Internet last night. A: is seenB: sawC: was seenD: was seeing

He _____ to surf the Internet last night.

A: is seen

B: saw

C: was seen

D: was seeing


相关考题:

SURF的ExtA和ExtB与SURF上哪个接口相连?() A.0B.1C.2D.没有

已知last指向单向简单链表的尾结点,将s所指结点加在表尾,不正确的操作是____。A.last->next=s,last=s,last->next=NULL;B.last->next=s,s->next=NULL,last=s;C.s->next=NULL, last->next=s, s=last;D.s->next=NULL, last->next=s,last=s;

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数组q[M]存储一个循环队,first和last分别是首尾指针,如果使元素x进队操作的语句为“q[last]=x,last=(last+1)%m;”那么判断队满的条件是_____。A.last= =firstB.last= =M-1C.(last+1)%m= =firstD.last+1= =first

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