Mom, I'm very _________ for all your love.

A．thankful                 B．careful                   C．useful                    D．helpful

—Your English teacher is very humorous.

—Exactly. She is very popular with us.

A．friendly                             B．outgoing                            C．funny

—Cindy, I have bought a lot of fruits for you.

—Wonderful! Let's put them into the fridge to keep them________.

A．clean                                 B．fresh                                 C．fit

—What do you think of Tom?

—He is a(n) _____ boy who is always telling the truth.

A．humorous         B．honest           C．brave            D．creative

Life is not _________ journey which is full of ups and downs, so never lose heart.

A．hard                      B．a hard                    C．smooth                   D．a smooth