---Let’s go for a picnic when it ______ this weekend.--- But nobody knows when it _____ . I hate the rainy days.
Thanks _______ your help.
Her name is Mary Green. Mary is her _______ name.
---- Is this your pen? ---- _________. It’s her pen.
-----Your bag is very nice. ----___________.
当你称呼李老师(男)时,应如何称呼?__________.