A.know
B.knows
C.have known
D.is known
第1题:
Last Saturday ___________________ had a picnic in Beiquan Park.
A、John, Mary and me
B、John, Mary and I
C、John, I and Mary
D、 I, John and Mary
第2题:
A.mkgroup -A=john,mary delivery
B.groupadd -A=john,mary delivery
C.mkgroup adms=john,mary delivery
D.groupadd adms=john,mary delivery
第3题:
第4题:
A.Sees
B. has seen
C.saw
D. is seeing
第5题:
下列值不为true的表达式有( )。
A、"john"=="john"
B、"john".equals("john")
C、"john"="john"
D、"john".equals(newString("john"))
第6题: