Y4 BI (LEVEL 1)

在星期日

• in Sunday

• On Sunday

• At Sunday

在下午

• In the afternoon

• On the afternoon

• At the afternoon

在六月

• On June

• In June

• At june

在晚上

• in night

• at night

• on night

在周末

• In the weekends

• On the weekends

• At the weekends

一个星期四次

• Four time a week

• Four a week

• Four times a week

被污染

• Was polluted

• Picked up

• Organized

Buy 买

Come来

drink喝