Now the weather is becoming ___________ , we should look after ourselves well.
A. cold and cold B. the coldest and coldest
C. colder and colder D. colder and coldest
About seventy percent of the earth with water.
A. is covering B. is covered C. are covering D. are covered
Lots of students are_________ in tigers and other wildlife.
A. interested B. interest C. interesting D. doing
Why does Liu Tao look all day long?
A. sleepy B. sleep
C. to be sleepy D. sleeping
Our English teacher often asks us_________ English _____in class.
A .speak; loud B. to speak; slow
C. speak; loudly D. to speak; loudly
I’m sorry I’m late again________ heavy rain.
A. as B. so C. because D. because of
