.I recommended _____ an English-English dictionary, which I thought would be of great help to her studies.

Only by________ the mind with knowledge can we keep up with the times.[ ]

1–Is this a __________–No．It’s a clock．

The shop is _______ on Saturday and Sunday. We cango shopping there on weekdays.—Oh, no. It sincelast Saturday.

There are many difficulties in front of me _____, I still keep on trying and work for a better future [ ]