Li Lida became the youngest person ever to cross the channel () Hainan Island and the mainland.

单项选择题If everyone makes a contribution () the environment, the world will become much more beautiful.

A．protect
B．to protect
C．protecting
D．to protecting

单项选择题Do you know().

A．who writing is she to
B．who he is writing to
C．she is writing to whom
D．who is she writing to

单项选择题()is one of the world's most popular water sports.

A．Skating
B．Surfing
C．Baseball
D．Running

单项选择题Hi, Bob! I can't find my history book. () you () it anywhere

A．Did; see
B．Do; see
C．Have; saw
D．Have; seen

单项选择题He () play basketball. But now he likes football very much.

A．use
B．used
C．uses to
D．used to

单项选择题He () his mother a letter at that time.

A．is writing
B．was writing
C．will write
D．has written

单项选择题—May I come round in the morning -().

A．Yes, please come
B．So does he
C．So you do
D．Yes, please do

单项选择题The idea came to me when I () with him.

A．talk
B．talked
C．was talking
D．have talked

单项选择题She didn't see me come and went on () her newspaper.

A．to read
B．reading
C．with reading
D．read

单项选择题Mary sends you best wishes()a Happy New Year.

A．to
B．for
C．with
D．at