I ________ go to the theatre, because I don’t like operas at all.
A. always B. often C. sometimes D. never
Write down the phone number, __________ you’ll forget it.
A. so B. and C. but D. or
We can get fresh water from rain, from rivers, or from ________ the ground.
A. across B. under C. over D. off
They develop their skills _________ they can do things better and better.
A. however B. because C. since D. so that
He was late this morning, because the bus was too ________ for him to get on.
A. quiet B. tidy C. crowded D. noisy
—Which is the biggest number of the four?
— .
A.One-third B.Two-thirds C.A half D.A quarter