It's necessary____ masks(口罩) in public places during the COVID﹣19 period.( )
for us to wear
for us wearing
of us wearing
of us to wear
I found ______ had changed a lot when I went to my hometown again.( )
A.thereB.itC.theD.this
What do you prefer for lunch,darling?
I'd like _____ such as tomatoes,carrots or cabbages.( )
A.meatB.eggs
C.vegetables.D.fruit
I usually ride _____ bike to school.But this morning,I went to school by _____ bus.( )
A.a; theB.the; aC.不填; aD.a; 不填
Could you please tell me __________?
At 169,Jinan Road.( )
A.where the library lies
B.how I can get to the library
C.where is the library
D.how can I get to the library
May I speak to Mary?
Hold on,please.She _________ in the kitchen.( )
A.has cookedB.cookedC.will cookD.is cooking