--Mike, can you tell us something about our new teacher? -- Oh, sorry. I know nothing because I     _ him before.
#52710
A
saw
B
didn't see
C
have seen
D
haven't seen
推荐题目
--Where is your father? --He ________to Shanghai. He has ________ Pudong since last Friday. 
#54844
A
is going, gone to
B
has gone, been in
C
has been, been in
D
has gone, been to
— Where is your father?— He ______ Beijing. He will be back in three days.
#58641
A
has gone to
B
has been to
C
has been in
D
has lived in
I’m too tired after a long walk. I want to ________ .
#60885
A
stop to rest
B
stop resting
C
stopping to res
D
stop to resting