—Does David often come to school ____ bus?—Yes, but sometimes he comes ____ his father’s car.
The old couple looked at the plane with their son on it until it was ______.
“Come with me. You will be all right.” He took Polly’s hand, “________ the step here.”
It gives me the chance to _______ the help that people give me when it’s sunny.
---John, have you gone over your lessons learnt this morning?---Not yet.---You should know _____.
Howard Carter is one of the best-known explorers the world _____.