What if you _____ to send an essay with your application? Would you have been rejected?

Mr. Liu is good at painting.– ___________ . I like his pictures very much.

Scientists are convincedthepositive effect of laughter_____physical and mental health.

it rain a lot in this area—_______, it hardly ever rains; the climate is like that of a desert

Heturned down the request of his friend because it wasthe limit of his power.