We were told not to touch the equipment in the laboratory unless ________.
#101834
A
allowed to do
B
allowing to do
C
allowed to
D
allowing to
推荐题目
I don’t think she saw me just now. She_________ the beautiful vases.
#102118
A
just admired
B
had just admire
C
has just admired
D
was just admiring
Every necessary means____ to protect milu deer which____ very valuable to us. As a result, the number of milu deer is increasing.
#102356
A
are used; is
B
is being used; is
C
have been used; are
D
has been used; are
--Do you want to see Ice Age 4 tonight? -- I ________ the movie already. It is very funny!
#100145
A
see
B
saw
C
have seen
D
will see
