— Tony, are you listening to me?—Sorry, Sir. I ______ to figure out what you said just now.
#102045
A
was trying
B
have tried
C
tried
D
had tried
推荐题目
Do you know when Mr. Brown _______? When he _______ , please let me know.
#101257
A
will come; will come
B
comes; is coming
C
is coming; comes
D
comes; will come
He feels that his health ____ owing to ____ a long walk every other day. 
#104858
A
is improving; taking
B
has been improved; being taken
C
improved; taken
D
is improving; have taken
—Can I come after dinner?—Yes, that's fine. I ________ anything.
#99464
A
don't do
B
won't do
C
won't be doing
D
am not doing