It was raining hard, ________they had to stay at home.
A.but B.or C.so D.because
Take care! My father________. Don’t________.
A.is sleeping, wake up him B.is sleeping, wake him up
C.sleeps, wake him up D.sleeps, wake up him
________is the part of a plant that grows under the ground and________water and minerals from the soil.
A.Branch, takes in B.Root, takes in
C.Branch, takes out D.Root, takes out
North Korea is________Asia. It’s________the northeast of China and________the west of Japan.
A.in, to, on B.in, on, to C.on, in, to D.to, on, in
They want to be the fighters________the air pollution.
A.with B.for C.about D.against
You should________ the teacher________being late for school.
A.apology to, about B.apologize to, for
C.apologies to, for D.apologize to, on
