There _ a pen and two pencils on the desk.[ ]
A. is
B. are
C. am
D. be
A
小玲练习跳绳，已经跳了5次，平均每次跳56个。 她准备再跳一次，使平均每次跳的个数为60个， 小玲最后一次要跳多少个？
Xi Jinping paid his first visit to ______ in March, 2013.
A．South Africa
B．Russia
C．Tanzania
D．The Repulic of Congo
