In 1778, Banks was elected ________president of the Royal Society, ________position he held for 42 years.
| A．/, a | B．/ , the | C．the, a | D．the, the |
—Must I turn off the gas after cooking ? --Of course . You can never be ___ careful with that.
| A．enough | B．too | C．so | D．very |
Few pleasures can equal ______ of a cool drink on a hot day.
| A．some | B．any | C．that | D．those |
Mrs. Brown was much disappointed to see the washing machine she had had____ went wrong again.
| A．it | B．it repaired | C．repaired | D．to be repaired |
“Alice, why didn't you come yesterday?” “I______, but I had an unexpected visitor.”
| A．had | B．would | C．was going to | D．did |
He just does what he pleases and never _____ about anyone else.
| A．think | B．thinks | C．thinking | D．thought |