Up to now, large quantities of food ____ to Africa to save the starving people.
#102504
A
is sent
B
has been sent
C
have been sent
D
are sent
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We don’t know if she _____ home. If she ____, I’ll tell you.
#102315
A
comes; will come
B
will come; will come
C
comes; comes
D
will come; comes
Experiments of this kind ___in both the U．S and Europe well before the Second World War．
#100251
A
had conducted
B
have conducted
C
have been conducted
D
had been conducted
---- Do you know our town at all?----No, this ________ the first time I _________ here.
#103070
A
was; has come
B
is; come
C
is; had come
D
is; have come
— What do you think of this kind of TV set, which ＿＿ in Shanghai? — Well, I don’t care such things.
#104415
A
was made
B
is made
C
has been made
D
had been made