---Alice, why didn’t you come yesterday?--- I______, but I had an unexpected visitor.
#103159
A
had
B
would
C
was going to
D
did
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Good heavens! There you are! We___anxious about you, and we ___you back throughout the night. 
#104668
A
are; expect
B
were; had expected
C
have been; were expecting
D
are; were expecting
— Why? Tom, your shirt is so dirty! — Mum, I __ my storeroom downstairs。
#104430
A
cleaned
B
have worked
C
was cleaning
D
have been cleaning
Look at these clouds. ______.
#103818
A
It’ll rain
B
It’s going to rain
C
It’ll be raining
D
It is to rain