—Though Zhong Nanshan is in his eighties, he makes great ________ to the medical development.
—I can't agree more. He is my hero.
A.celebration B.conversation C.contribution D.collection
Many travel vouchers (旅游优惠券) ________ to attract more and more tourists next five months.
A.will send B.will be sent C.are sent D.send
—It's reported that students in areas with low risks of infection of the novel coronavirus (新型冠状病毒) aren't required to wear masks at school.
— ________ happy the students will be to know about it!
A.What a B.What C.How D.How a
—Is that man George?
—It can’t be him. After all he ________ this place for years!
A.has left B.has been away from C.was away from D.left
To push up sale, many international companies plan to ________ online shops.
A.set up B.put up C.take up D.wake up
The dog had waited for years ________ it realized the death of his owner.
A.though B.if C.until D.when
