The boy is lying on the ground, _________ at the aeroplane in the sky.
Without proper lessons, you could _______ a lot of bad habits when playing the piano.
My stomach ______ me. I thought it was going away, but now it’s getting worse and worse.
Mike _____come to see me this afternoon. I don’t want to go window-shopping with you in case he comes.A. can B. must C may D. will
In spite of _____ has recently been done to provide more buses for the people, a shortage of public vehicles remains a serious problem.
A little knowledge is _______, because it can cause people to think they are more expert than they really are.