_________, the experiment is sure to succeed.
| A．If carefully doing | B．If carefully done |
| C．If it done carefully | D．If it doing carefully |
Jean Bernoulli returned to St Petersburg in 1766, soon afterwards losing the sight of his ________ eye.
| A．other | B．the other | C．another | D．else |
--Now Mr. Snow, what can you remember about the attack?
--Well, I ________ late yesterday evening…
| A．worked | B．had worked | C．would work | D．was working |
. Don’t leave the window open—it’s ________ thieves to enter.
| A．inviting | B．advising | C．persuading | D．getting |
Don’t leave the window open—it’s ________ thieves to enter.
| A．inviting | B．advising | C．persuading | D．getting |
Don’t leave the window open—it’s ________ thieves to enter.
| A．inviting | B．advising | C．persuading | D．getting |