"Marcia, could you please_________my dog when I'm on vacation?" "Yes, sure. "
A. look after B. look at C. look for
– Hi, Sam. A nice day, isn’t it?
– Yes. ________ go to the park to relax ourselves?
| A．Would you like | B．Why not | C．What about | D．Why don’t |
She always watches her son ________ the road every morning, or she will feel worried.
| A．crossing | B．cross | C．to cross | D．to crossing |
Finally, people found computers ________.
| A．useful | B．are useful | C．don’t useful | D．doesn’t useful |
They still can’t decide ________ with our difficulties in learning math.
| A．what to deal | B．how to do | C．what to solve | D．how to deal |
Everybody tells us we can’t pass the exam ________ we study hard.
| A．because | B．or | C．unless | D．and |