(2019原创)Plan meals ahead of time so that you can know exactly ________.
A.how to buy B.what to buy C.when to buy D.why to buy
I'll give the dictionary to Jane as soon as she ________ here.
A.arrives B.arrived C.will arrive D.is arriving
(2019原创)You will miss the chance ________ you go home now. Please think about it again.
A.unless B.though C.because D.if
(2017洛阳二模) Language learning isn't hard itself. The attitude________ you have decides if you can learn it well at last.
A.what B.who C.where D.which
The book ______ you are talking about is written in everyday English.
A.who B.that
C.when D.what
(2019原创)Some of my friends are interested in science, but they still can't know ________.
A.when UFO will appear again B.when UFO appears again
C.which UFO will appear again D.which UFO appears again
