Parents and children should communicate more to___the gap between them so that they can understand each other better
| A．open |
| B．narrow |
| C．widen |
| D．leave |
sweet and fresh, this kind of food is so popular with local people and the tourists．
| A．Smell | B．Smelling | C．To smell | D．Smelt |
Always read the label ______ you wash your clothes．
| A．before | B．unless | C．since | D．until |
—Flight 331 _____．I'd better be on my way．Goodbye．
—Bye．Happy landing!
| A．is announced | B．is being announced |
| C．is announcing | D．has announced |
To appreciate that it's not easy for you, but you ______ try to get here on time．
| A．may | B．must | C．will | D．can |
—Sorry we're late．We ______ the wrong turning．
—That's all right．Come in, please．
| A．take | B．have taken | C．took | D．had taken |