He studies hard all the time,_______ he has made rapid progress in many ways.( )
so
because
but
yet
—________ have you been in Beijing?
—For two weeks. And I went to the Great Wall.
How soon
How long
How often
—What do you want to do this weekend?
—I want to care for animals in ________ animal center.
an
a
/
Which of the following words doesn’t have the same stress(重音)as the others?
Behind.
Modern.
Photo.
Which pair of the words with the underlined letters has the same sound?
hand camp
drive thin
loud double
In the following words, which underlined(下划线的)letters have a different sound from the others?
birth
either
earth