No one knows when those visitors will __________. Heavy fog has caused the flight delay.
A.arrive B.reach C.get to D.arrive at
Many students are so crazy about mobile games that they lose interest in their schoolwork, which _________ their parents and teachers a lot.
A.worries about B.is worried about C.worries D.is worried
—What do you think is the _________ of her success? She said nothing but smile.
—I guess that is her hard work, her confidence and her insistence.
A.secret B.reason C.truth D.advice
— Do you enjoy Jessie J’s songs?
— Yes. She is the winner of Singer 2018. I can’t think of anyone with a _______ voice.
A.better B.best C.more D.most
When we are having a test, we should ______ the papers quickly first and then begin writing.
A.look after B.look up C.look at D.look through
The second Sunday of May is _______ Mother's Day. It's _______ special day for children to show their love for their mothers.
A.a，the B.the，a C.／，a D.／，the
