David has made great progress recently .— _____, and____ .

gh he has become wealthy, Mr. Wood remains _______ he used to be, modest and friendly.

irst __________ to the market,the computer software was not a success due to its complexity in operation.

I often go swimming in summer.________________ —Ioften stay at home.

Fortunately, most of the people ________ the earthquake,though many of the buildings were destroyed[ ]