. I think Ma Linlin will ____ a good monitor, so I'm going to vote for her.
-- Fifty-four students _____ my class and we are kind-hearted.--Really? _______.
The volunteers are doing _____ difficult and important work; they share _____ common goal — to help people in need.
----Go for a picnic this weekend, OK?----___________. I love getting close to nature.
____ is no doubt ____ Jennifer will come to see me this weekend as usual.
He pretended _______ when his mother stepped into his room.