If we ______ in a big city, we could easily get access to the Internet.
A.lived
B.had lived
C.has lived
D.live

Choose the word that has main stress placed differently from the others.
A.policy
B.government
C.explosion
D.implement

Choose the word that has main stress placed differently from the others.
A.control
B.expert
C.method
D.figure

Choose the word that has main stress placed differently from the others.
A.develop
B.insurance
C.punishment
D.religion

Choose the word that has main stress placed differently from the others.
A.journalist
B.solution
C.improvement
D.expensive

Choose the word that has main stress placed differently from the others.
A.million
B.explosion
C.family
D.accident

Choose the best answer to complete the following sentences.Water ______ at 0oC.
A.froze
B.frozen
C.freezes
D.will freeze

If you _____ carefully, the accident would have happened.
A.drive
B.will drive
C.had driven
D.drove

If you don’t stop talking, you _____ understand the lesson.
A.will
B.would have
C.won’t
D.wouldn’t

If I had enough free time, I _____ help my mother with housework.
A.could have
B.would have
C.could
D.can