–I always make mistakes in my math exams. What should I do?
–I think you should be _________.
| A．enough careful | B．enough carefully | C．careful enough | D．carefully enough |
--Boys and girls , wait for a moment !
--OK. We can’t cross the street ________the traffic lights are green.
| A．until | B．after | C．while | D．for |
Every day a lot of water ________around us. It’s really bad for the environment.
| A．was wasted | B．is wasted | C．wasted | D．will be wasted |
--What do you think of _______teacher?
--She’s very kind. She can teach ______English well.
| A．we, our | B．ours, us | C．your, us | D．yours, us |
--It’s not a good habit to play______ basketball after meals at once.
-- Yes, you should have _______rest first.
| A．a, / | B．the, a | C．a, the | D．/, a |
The Internet is really ________ to us. We can get a lot of things from it.
| A．useful | B．difficult | C．different | D．safe |