Is oxygen the only gas ________ helps fire burn?
A. that B. / C. what D. it
The number of the people present at the concert was _____ than expected. There were many tickets left.
A. much smaller B. much more
C. much larger D. many more
The silk road, _______ Marco entered China, was important for the exchange of goods and ideas.
A. which B. along which C. after which D. where
—Would you please lend me some gas?
—Sorry, I have ________ it.
A. use up B. run out C. gone out D. run out of
The singer hopes her concert will be like a big party ________ everyone enjoys themselves.
A. which B. when C. what D. where
The foreigners are ______ by the ________ progress that the Chinese have made.
A. amazing…amazing B. amazed…amazed
C. amazed…amazing D. amazing…amazed
