1 . Trump Tower, _____ as the headquarters for The Trump Organization, is a 58-story skyscraper_____in Midtown Manhattan.

A．serving; located

B．served; located

C．served; locating

D．serving; locating

2 . The botanical garden features a wide variety of foreign plants, largely ________ from tropical and subtropical regions mainly from Africa.

A．importing

B．imported

C．being imported

D．having imported

3 . The training program, ________ to equip participants with the necessary skills, has been highly successful.

A．having intended	B．is intended
C．intended	D．being intended

4 . Tom hurried into the room, carrying a basin just          from the grocery store.

A．bought

B．buying

C．having bought

D．being bought

5 . The suggestions ________ to the committee were all successfully adopted.

A．to be sent

B．being sent

C．sent

D．have been sent

6 . Killings of African Americans and other ethnic minorities ________ by racial discrimination _______ every now and then.

A．being driven; occur	B．being driven; occurring
C．driven; occur	D．driven; occurring

7 . The company ______ as a failure ______ into a major chemical manufacturer in the past decade.

A．regarded; evolved	B．regarded; has evolved
C．was regarded; evolved	D．has been regarded; has evolved

8 . Students        are required to put the appropriate word into each blank.

A．being tested

B．to test

C．are being tested

D．test

9 . There is no guarantee that all the vaccines ____ now will succeed. But the failures shouldn’t erode the public trust in the _____ ones.

A．developing…approved	B．being developed…approved
C．developing …be approved	D．developed…being approved

10 . The hero’s touching story ________ online has drawn thousands of “likes” and hundreds of comments from the public.

A．posting	B．to post
C．posted	D．to be posted