____________ you study , _______________ grades you’ll get.
一David is outgoing. — _____Both of them are popular at school. A.So is Tom. B.So he is. C.Neither does Tom.
That dictionary ______ belong to Gina.Tom’s name is on it. A.must B.can’t C.could
______ fine weather! Let’s go out to have a picnic! A.What a B.How C.What
Susan will not arrive at the airport on time _____she hurries up. A.once B.if C.unless
This small village _____ quiet. A.used to be B.used be C.used to do