Only when I left my parents for Italy _______ how much I loved them.
| A．I realized | B． I had realized | C．had I realized | D．did I realize |
_______of danger in the street at night, she had to go home, with a friend_______her.
| A．Warned; accompanied | B．Having warned; accompanying |
| C．Warning; accompanying | D．Having been warned; accompanying |
—Jack, can you make a sentence to ________ the meaning of the new phrase?
—Well…
| A．show off | B．bring out | C．turn out | D．take in |
—Shall I lock the lab now before I go home ?
—__________ . I’ll check it myself later.
| A．Don’t bother | B．No problem | C．No hurry | D．Go ahead |
—Really? Who will give _________ lecture?
— Mr. Wang, ________ professor from Nanjing University.
| A．the; 不填 | B．a; the | C．the; a | D．a; a |
This problem is said_____ three times at the meeting. However, they haven’t arrived at a conclusion now.
| A．to have discussed | B．to have been discussed |
| C．having been discussed | D．having discussed |