Tenses：練習問題

Water ______ at 100 degrees Celsius under normal atmospheric pressure.

By the time the rescue team reached the peak, the climbers ______ there for two days in the snow.

Mr. Chan ______ in this secondary school for twenty years by the time he retires next month.

Yesterday, Mr. Wong ______ us that we would have a surprise quiz on the topic of photosynthesis next week.

By the time the school assembly started, all the teachers ______ their seats in the hall.

Look at the time marker and complete the sentence with the correct tense:
I ______ (not see) my primary school teacher for a very long time.

By the end of this year, my elder brother ______ (study) in Australia for three years.

Fill in the blank with the correct Tense:
By the time we arrived at the party, most of the guests ______ (leave).

Read the following sentence and rewrite it using the Future Tense with 'will':

The sun sets at six o'clock in the evening.

Complete the following sentences by using the Present Continuous Tense of the verbs in the brackets:

(a) Be quiet! The baby ______ (sleep) in the bedroom.
(b) Look! The birds ______ (fly) towards the south for winter.