— Look at the boy playing basketball on the ground. Is it George?— It ________ be him. He told me he would play basketball after class, but he’s not sure.
—Do you have Jay’s CDs?—Sorry,they are________.But we’ll get some more next week because they________.
By the time I locked the door,I realized I________my keys at home.
—“Food Safety”has become one of the hottest topics recently.—Yeah,it receives________Internet hits(点击)a day.
The Xiamen-Shenzhen high speed railroad will run________eight cities.A.acrossB.throughC.over
When the door bell ________I was listening to music.