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
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Traveling is a good way to different cultures and broaden the mind.
#101052
A
expand
B
explore
C
expose
D
export
In the last ten years, they _______ three great scientific experiments.
#103919
A
finished
B
have finished
C
had finished
D
have been finished
—When__________ and visit our exhibition next month?— When_______, I will let you know.
#104214
A
will he come; he will come
B
will he come; he comes
C
does he come; he will come
D
does he come; he comes
—I haven’t seen my close friend John lately,and I wonder how things go with him?—I _____him the other day,he said he worked in a candy store.
#104468
A
have met with
B
am going to meet with
C
met with
D
had met with