Many trees and flowers ________ in our school last year，and they made our school a beautiful garden．

A．plant              B．planted

C．have planted       D．were planted

When I traveled in Thailand , I bought a ring . It __________ silver .

A. was made in B. was made by

C. was made of D. was made from

Judy used to be ____． Now she’s very shy．

A．quiet   B．outgoing  C．smart     D．on

Every year, we plant many trees on _______ side of the road to make our city more beautiful.

A. both            B. all               C. each           D. neither

If there are ______ trees, the air in our city will be _______ cleaner.

A．less, more    B．more, more

C．more, much    D．much, more

You shouldn't ____ the boy's mistakes．

A．laugh at    B．smile    C．laugh     D．laugh down

______our teacher is ill, ______ he still comes to our class to teach us.

A. Though; but         B. Though; /

C. Although; but        D. But  though

The teacher said that the earth ______ around the sun.

A. moves           B. move         C. moved         D. had moved

I felt it hard to keep up with my classmates. But whenever I want to__   __ ，my teacher always encourages me to work harder.

A. go on             B. run away

C. give up           D. give back

_________great weather it is today!

A. How     B. How a     C. What     D. What a