We have planted many trees in order to ____wind and sand in the desert.
Almost every day it is not until midnight __________ Xiao Ming finishes his homework.
If the teaching doesn’t _______ to your students, your students will gradually lose interest in it.
My interest in English ______ September 2009 when I met our present English teacher.
______ you I owe a thousand apologies ______ having doubted your ability.
A good solution to the problem _________at the meeting.