John did quite well in his exams, _____ how little he studied. [ ]

Itbe difficult to get a train ticket during traditional Chinese Spring Festival this year because there are many ticket windows.

ildren, ________ had played the whole day long,were worn out

The mother, as well as her two daughters, ____ to the theatre with some friends this evening.

You will make some progress inyour study of English ______ you keep more words in mind