On January 29th， 2020，Zhong Nanshan and his team _____ over four hours online _____ five patients who were seriously ill， and made a treatment plan for those patients．（ ）
| A． |
spent；checking |
B． |
spent； to check |
| C． |
spend；checking |
D． |
spend；to check |
﹣﹣﹣________ the Communist Party of China （中国共产党） founded in 1921？
﹣﹣﹣Yes，and it's her 100th birthday this year.（ ）
A．IsB．WasC．HasD．Have
﹣﹣﹣Why does Linda dislike me？
﹣﹣﹣I don't know.You'll have to_______ the reason yourself.（ ）
A．go outB．bring outC．come outD．find out
﹣﹣﹣Would you like something to drink？
﹣﹣﹣No，thanks.I_______ some tea already.（ ）
A．have drunkB．was drinking
C．will drinkD．drink
﹣﹣﹣Lucy，have you changed a mobile phone with 5 G？
﹣﹣﹣Yes，I think the mobile phone with 5 G can send videos much_______ than the one with 4 G.（ ）
A．fastB．fastest
C．the fastestD．faster
﹣﹣﹣Are these books_______？
﹣﹣﹣No，they're his.（ ）
A．yoursB．herC．ourD．their