The safety of food has become one of the _________ problems in our daily life.
| A．more expensive | B．more important |
| C．most expensive | D．most important |
－ Daniel is ill. I _______ to see him after school.
－ Sorry to hear that. I _______ with you.
| A．am going; will go | B．am going; am going |
| C．will go; am going | D．will go; am planning |
I'm too busy _______ my homework _______ walk my dog every day.
| A．to do; to | B．doing; to | C．to do; / | D．doing; / |
－ I've bought a box of chocolate for our daughter.
－ Oh, how good a dad! But she doesn't like sweet things. _______ know that?
| A．Do you | B．Don't you | C．Won't you | D．Didn't you |
The boy _______ that the duck _______ two eggs yesterday.
| A．lied; lied | B．laid; laid | C．lied; laid | D．laid; lied |
－ Look! Mrs Green is wearing a black dress today.
－ I think she _______ wear red. She looks young in red.
| A．should | B．must | C．may | D．need |