—Every day, my mother tries to spare some time to chat with me ______ she is very tired after a wholeday’s hard work.—How great she is!
—You look worried. What’s your _______? —I have trouble learning English.
—Would your younger brother go for a picnic this Sunday? —If I don’t go, _______.
I won’t leave my office until my work _______.
__ your help, we can finish the task in time.
—Look at the boy running on the ground. Is it Davis? —It ______ be him. I saw him go to the teacher’s office just now.