____you stick to your goal, I’m sure you’ll achieve your dream.
A. As soon as B. As long as
C. As well as D. As possible as
---What do you think of English? ---It is very easy. I have no trouble ______ it.
A. learn B. to learn C. learning D. learned
Our textbooks are made ____paper while paper is made ____wood.
A. of/ by B. from/ from
C. of/ from D. from/ of
---We often use QQ _____ e-mails.
--- Really? Would you please show me _____?
A. to send/ how to use it
B. sending/ what to use
C. send/ what can I use
D. to be sent/ why to use
---Do you know who ____ the tomb of Emperor Qin and who ___ the mobile phone?
---No, but we may ask our teacher.
A. discovered/ invented
B. was discovered/ was invented
C. invented/ discovered
D. was invented/ was discovered
A tsunami(海啸) _____ in some southern Asian countries in December, 2004. As a result, _____ homeless people had to stay in the open air.
A. has happened/ thousands of
B. happened/ thousands of
C. has happened/ about twelve thousand of
D. happened/ twelve thousands