I didn’t hear your call because I__________to music at that time.
A. listen B. will listen
C.am listening D. was listening
The 3rd China's Got Talent (中国达人秀) gives the child a chance to show his special________.
A.ability B．behavior
C．education D．background
—We're doing a lot to protect our environment, but it is not good enough. —So we should try______ to look after it.
A. hard B. harder C. hardest D. hardly
Usually, we don’t know how important something is ________ we lose it.
A. or B. until C. if D. after
Wow! Ten students in our class will celebrate their fifteenth birthdays ________ May!
A. in B. on C. at D. to
— Would you like some juice or coffee?
— ________ is OK. I really don’t mind.
A. Both B. Neither C. Either D. All
