The great changes _______ have taken place _______ carrying out the economic reform in our country

Our foreign trade has________greatly in recent years .

Guess what We’ve got our visas for ashort-term visit to the UK this summer.—How nice! You ____ a different culturethen.

＿＿＿your score and you will make sure if you have passed the exam.

Mum, would you please buy me an MP5 player? — If you can help do some housework the whole vacation，you _______ have one as a reward.