We should not ________ small mistakes, or they might lead to big accidents.
A. hurtB. ignoreC. recoverD. dislike
—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
