—Do you know the most ancient city in China—Xi’an well?
—No, this is the first time I ________ here.
A. had comeB. am comingC. have comeD. came
Our teacher told us that there ________ no end to learning.
A. hadB. isC. hasD. was
Hurry! The plane ________. You know, it ________ at 3:15.
A. takes off, takes off
B. is taking off, takes off
C. takes off, is taking off
D. is taking off, is taking off
As neither of the two countries would ________, no agreement has been reached till now.
A. give upB. give awayC. give inD. give off
The Australian boy has a good ________ of Chinese and can communicate with others freely.
A. requestB. commandC. accentD. usage
In ________ 1600’s, Shakespeare made use of ________ wider vocabulary than ever before.
A. the; /B./ ;/C. the; aD./; a