—I'm not sure ________. Do you know?
—In 1876, I think.
A.when the telephone was invented B.when was the telephone invented
C.when did the telephone invent D.when the telephone invented
We ________ to go out without wearing medical masks to avoid getting ill.
A.don' tallow B.allow C.aren't allowed D.are allowed
Nobody would know ________ we stayed at home against Covid-19.
A.what a long time B.how long time
C.what long time D.how a long time
There are only ________ apples and bananas in the shop. And they are not fresh.
A.a little B.a few C.few D.little
Frozen 2 is a movie ________ tell show two sisters saved their country and found the secret of their family.
A.who B.whose C.that D.where
The coat ________ belong to Lily. It looks much larger on her and it has a smell of smoke.
A.must B.might C.can D.can't
