How does your sister learn Russian, Mike—She learns it _______ listening to the tapes.

You ________ reach him on his mobile now — his mobile is still under repair.

There are ________ floors in the mall and on the _______ floor there are many clothes shops.

More than 36 million Chinese children are receiving piano training, but quite a few have little ______ in the piano and some even hate it.

What color is the bike? —It’s _______ orange.