—Mary，I don’t know ____ you can come tomorrow morning.—No problem! I’ll be here _____I’m free then.
#55784
A
if；if
B
if; whether
C
whether；till
D
whether；until
推荐题目
_____ it was very cold, _____ my friend still went swimming in Jialing River this morning.
#56184
A
Although; but
B
Although;/
C
But; although
D
/;although
– _________ do you go to your school library?– Three times a month
#58110
A
How long
B
How often
C
How much
D
When