—Don’t you know your computer has been inflected with viruses? — Really?No wonder it hasn’t_______ as properly as before.
#83523
A
managed
B
controlled
C
operated
D
appeared
推荐题目
After cutting down the tree, they _____ a little boat out of it.
#78000
A
went on to make
B
went on making
C
went on with
D
continued
Kathy ______ some French while she was away on a business trip in France.
#65202
A
picked up
B
took up
C
made up
D
turned up
The little boy          the last bit of toothpaste from the tube. 
#68116
A
squeezed out
B
squeezed in
C
pushed in
D
pushed out