6. Jack had a hard time grasping the basic of mathematics.
举一反三
- You have no idea _____ then. A. what a hard time we had B. we had what a hard time C. what we had hard time D. what hard time we had
- I’ve had a hard time ____(learn) English.
- “Why were you late”“I had a hard time ____ up this morning.”_
- Victor had a hard time falling asleep because he is stressed out.
- Jack had been working hard and ______. A: so his brother had B: so had his brother C: so was his brother D: so his brother did