Last Sunday we watched at the zoo.

Our new house was completely in_______ mess after the party was over.— Don’t worry. We can clean it by_______ means of our robot.

A medicine may help with your illness, but it may make you , so you must be careful not to drive a car after taking such a medicine.

There are ______ flowers in the square during the National Day.

.There is no chance _________ I will recover from my illness for the exam.