A White House plane  ________ Beijing on March 19, 2014 and US First Lady Michelle Obama started her ________ visit to China. 
#52874
A
reached; seven days
B
landed in; seven-day
C
has arrived in; seven-day
D
has got to; seven days
推荐题目
We have two rooms to live in, but I can't decide_________. 
#59679
A
to choose which one
B
choose which one
C
which one to choose
D
which one will I choose
I have no idea what life would be like without water. The underlined part means “_____ ”.
#61939
A
don’t remember
B
don’t know
C
don’t believe
D
don’t expect
Nancy spent half an hour _______ playing the piano every day.
#56821
A
practice
B
practicing
C
to practicing
D
to practice