I think it's __________ for the students to understand the passage. There are too many new words in it.
A.necessary B.negative C.impossible D.important
—Do you know how old the old man is?
—Maybe he is 70 years old, but I can't say it __________.
A.exactly B.quickly C.easily D.luckily
I left school in 2010, and since then I ______ in Beijing.
A.work B.worked C.will work D.have worked
— is an honor to come to your party today. Thanks for inviting me!
—You’re welcome. Have a great time here!
A.They B.It C.This D.That
—Have you finished your homework, dear?
—Not yet. I have trouble the math problems.
A.carrying out B.to carry out C.working out D.to work out
—Jerry, you should __________ the order for shoes online. Your father bought a pair for you in the shop this morning.
—OK, Mom! I'll do it.
A.cancel B.continue C.compare D.copy
