Fill in the blank with the most appropriate word.
I hate it when my boiled egg ________ properly.

If the milkman . . . . . . . . tell him to leave two liters.

Fill in the blank using the correct tense form:<br>Proteins ________ carbon, hydrogen, oxygen, and nitrogen.<br…

One feels that there . . . . . . . . any noticeable improvement in the human rights problem in Africa until all the Afri…

Fill in the blank with the most appropriate word.<br>I'll go to the park if it _________ cold.<br>

Fill in the blank with the most appropriate word.<br>He ________ his father yesterday morning.<br>

Fill in the blank with the most appropriate word.<br>The computer ________ guaranteed by the company.

Fill in the blank with the most appropriate tense form:<br>"Why have you got your old clothes on?"<br…

Fill in the blank with the most appropriate option:<br>The whale _________ as a fish, but it is actually a mammal.…