—Oh， dear! I forgot my best friend’s birthday.
—________ Better keep it in mind next year.
A. No problem. B. You did?
C. It’s OK. D. Why not?
Daniel asked his teacher ________.
A. where could he join his favourite club
B. what would the life be like on Mars in the future
C. whether the rainbow appears after the rain in summer
D how many people will come to the meeting this coming Saturday
—When shall we go to the Xuanwu Lake Park， this Saturday or Sunday?
—________ is OK. I’m free on the weekend.
A. Both B. None C. All D. Either
—________ great fun we had at the party last night!
—Yes， it was so exciting that everyone was happy.
A. How a B. How C. What D. What a
There are fewer and fewer tigers in India. The situation will continue ________ humans stop hunting them for their fur and bones.
A. unless B. if C. because D. since
—You don’t have to take a raincoat. It isn’t going to rain.
—Well， I am not sure. It ________ do.
A. must B. need C. may D. would
