--- Where did you find your lost pen?
--- It was in the park we visited that day.
| A．what |
| B．that |
| C．where |
| D．when |
--What do you think of cloning?
--No doubt it’s a great invention. But ________, it may have some side effects.
| A．if not properly handling | B．if properly not handled |
| C．if not properly handled | D．if properly not handling |
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 |