Hello! I________you were in London. How long have you been here?A.dont knowB.hadn
Hello! I________you were in London. How long have you been here?
A.dont know
B.hadnt known
C.didnt know
D.havent known
Hello! I________you were in London. How long have you been here?
A.dont know
B.hadnt known
C.didnt know
D.havent known
第2题
向页面输出“Hello World”的JavaScript语句是()。
A.printf("Hello World") B.document.write("Hello World")C.<h4>Hello World</h4> D.alert("Hello World")
第3题
A.Hello, Ada Lovelace
B.hello, ada lovelace
C.Hello, ADA LOVELACE
D.hello, ada Lovelace
第4题
A.cout>>"Hello,World\n"
B.cout<<"Hello,World\n"
C.cin>>"Hello,World\n"
D.cin<<"Hello,World\n"
第8题
A.print "Hello/nWorld"
B.print 'Hello World'
C.print 'Hello' print 'World'
D.print 'Hello/nWorld'