—Has Sam finished his report?—I have no idea. He _______ it in his office the whole morning.
#53555
A
writes
B
has written
C
will write
D
was writing
推荐题目
---How long did it _____ you to work out the difficult maths problems?---I ______ about half an hour on it .
#56033
A
take ; took
B
spend ; took
C
spend ; cost
D
take ; spent
The number of books in the bookshop is about 10,000 and a number of them about science.
#61827
A
is
B
was
C
are
D
Were
