【推荐1】—China’s Tianwen-1 ________ on Mars successfully. Here is a photo it sent back from the planet.

A．will land

B．was landing

C．has landed

D．was landed

【推荐2】I like this watch very much. I _____ it for five years.

A．have had

B．had

C．have bought

D．bought

【推荐3】— Where is Alice? The film will begin soon.
— Don’t worry. I ____ her and she is already on the way.

A．call

B．will call

C．have called

D．was calling

【推荐1】— A large number of people in our country ________ getting vaccinated（接种疫苗）these days.
— Yes. And getting vaccinated is the best way to prevent people from COVID-19.

A．is

B．are

C．was

D．were

【推荐2】The number of the students in our class ________ in our school.

A．is the biggest

B．are the biggest

C．is the most

D．are the most

【推荐3】Now there ________ a number of good students in Jichuan Middle School and they often learn some subjects ________ after class.

A．is, to themselves

B．is, by themselves

C．are, to themselves

D．are, by themselves