_______ it rained heavily, ________ all the students came to school on time.
A. Because; so B. Because; /
C. Although; / D. Although; but
We are looking forward to ____________ the Great Wall.
A. visit B. visits
C. visiting D. visited
I spent all my free time ________ speaking English.
A. practise B. practicing
C. to practice D. practises
My bike is lost. I can’t find _______. So I want to buy a new _________.
A. it; it B. it; one
C. one; it D. it; that
___________ stars were shining in sky at night.
A. Million B. Millions
C. Million of D. Millions of
I will call you _________ I come back from Beijing.
A. until B. as soon as
C. unless D. while
