Sam is a waiter, _____ he really wants to be a singer.
—Hi, Lucy. Your skirt is very nice. —____
My name ____ Jack. Liu Ying and Sun Mei ____ my friends.
—Let’s play soccer . —.
Lingling __________ go to school at 7:00 in the morning.
— Are there ____ computers in your classroom? — No. There aren’t ___ computers in our classroom.