If you _________ a wallet in the street, what would you do with it?
A. found
B. have found
C. find
D. had found
Chọn A
I don't understand why the students didn'd keep silent while the speech ___________.
Some snakes have hollow teeth they are called fans that they use to poison their victims.
What woman was saying were so important that I asked everyone to stop talking and listen.
Sleeping, resting and to drink fruit juice are the best ways to cure for a cold.
An endangered species is the one __________ population is so small that it is in danger of becoming extinct.
She raised her hand high. she wanted to attract her teacher's attention.
We should participate in the movement _______ to conserve the natural environment.
Sports clear my mind. They also help me maintain a healthy lifestyle.