The black box is a necessary device on an airplane, which records its speed, direction and whether everything on the airplane______ normally.
#102293
A
will function
B
functioned
C
is functioning
D
has functioned
推荐题目
The film ____ this Sunday.
#102694
A
is going to show
B
is showing
C
is to be shown
D
is about to be shown
I can guess you were in a hurry. You ＿＿ your sweater inside out.
#104435
A
had worn
B
wore
C
were wearing
D
are wearing
——I’m sorry to interrupt you. Please go on.——Where was I?——You ______ you didn’t like going shopping alone..
#99972
A
had been saying
B
had said
C
said
D
were saying
For some time the expert __________ people of the health risks caused by passive smoking. He says he won't stop until all the smokers around him decide to quit smoking.
#99539
A
is warned
B
is warning
C
has been warning
D
has been warned
---- Do you live in this city?---- No, we ______ it for holidays.
#104108
A
just visit
B
just visited
C
are just visiting
D
have visited