单选题 I don't know how I shall express my______ to you.

单选题 I'm here to ______ the project report.

单选题 I ______ your kind help and support to our company, Mr. Smith.

单选题 If you stay foccused, work hard, and never give up, you will surely ______ your goals.

单选题 You can invite ________ three friends to the campus lecture—there aren't any extra seats left.

单选题 Spring in Kunming is known for its______ weather —— neither too hot nor too cold.

单选题 Even small actions like turning off the lights when you leave a room can ______.

单选题 China ________ more than 300 satellites into space since the launch of its first satellite, Dongfanghong-1, in 1970.