1 . The fireman couldn't________what the dark thing was through the heavy smoke.

A．make out

B．give out

C．put out

D．set out

2 . The news came________the British Queen Mother celebrated her 101^st birthday in good health,________isn't surprising, because she lives an easy life and gets the best medical care.

A．when; as

B．which; which

C．that; that

D．that; which

3 . Recycling can reduce carbon emissions,________ producing new products from recycled objects generally saves energy.

A．because

B．as if

C．although

D．in case

4 . China on Monday delivered to Pakistan the largest and most advanced warship________China has ever exported.

A．when

B．where

C．which

D．that

5 . The resolution will be significant for the nation to seize the period of strategic________as it faces the most complicated external environments.

A．organization

B．opposition

C．opportunity

D．occupation

6 . Tesla has more than 25,000 "supercharger" locations,________ it the largest charging network in the world.

A．has made

B．making

C．makes

D．to make

7 . Pile________him a sandwich the other day, which he refused politely.

A．provided

B．presented

C．offered

D．supplied

8 . —Of the three suggestions our monitor made, which one do you like?
—________. They are not practical at all.

A．Neither

B．Both

C．Any

D．None