Dear students, please read every sentence carefully._________you are, ______mistakes you’ll make.
There is _____ “s” and _____ “u” in ______ word “use”.
单词辨音
--- It shouldn’t take long to clear up after the get-together if we all volunteer to help . ----- I quite agree with you . _____________.
The boy is ________ to greet us every morning .
--How long has Robert _______? ---Since 2000.