He seems too tired today, and I wonder he got a good sleep last night.
His test results are not very consistent. He does well __________week and badly the next.
—Yousee, I'm poor in maths; you are not good atEnglish, and. . . — That's __________ we should help each other.
—Can you accompany your little brother to the post office now?—__________,if he is ready.
Only if __________ the examinations __________ get the gift promised byyour father.
— What do you think about the new teacher?—__________ the new teacher is an elegant lady, she can be extremely difficult to work with.