Jack will go to Australia for further study tomorrow, so he ____ his luggage at present.
A. has packed B. is packing C. packs D. will pack
With the help of e-commerce, people throughout China ____ easily buy things from foreign countries online.
A. would B. should C. must D. can
You can’t dial 110 ____ you are in an emergency and in need of help.
A. if B. until C. unless D. though
I argued with my best friend yesterday,____ he was still willing to help me.
A. so B. but C. and D. or
-____ have you done the volunteering work in your community?
--Since I moved to our neighborhood.
A. How soon B. How often C. When D. How long
I need to buy an English-Chinese dictionary. Can you recommend ____ for me?
A. it B. this C. one D. them
