—Those scientists invented a robot to care for kids! —It’s not surprising．They ____ wonders all the time．
#103461
A
worked
B
were working
C
work
D
have been working
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----Why didn’t you see me wave to you then ? ----Oh, If so. I must say sorry. I think I____ in the other direction.
#102102
A
looked
B
was looking
C
have looked
D
am looking
--I hear Michael is in hospital. ----Oh, really? I____know. I______go and visit him.
#103565
A
didn’t; am going to
B
don’t;would
C
don’t;will
D
didn’t; will
--Peter, hurry up! You ______ on the phone.--Oh, I ______. Thank you.
#101065
A
are being wanted; come
B
are wanted; am coming
C
want; come
D
will be wanted; should come
Prices of daily goods________through a computer can be lower than store prices.
#99181
A
are bought
B
bought
C
been bought
D
buying
I first met your sister ten years ago, when she ____at a supermarket as a salesgirl.
#102409
A
has worked
B
had worked
C
was working
D
had been working