He failed in the exam not only his laziness but also he didn’t listen to the teacher.
| A．because; for | B．because of; because |
| C．as; for | D．for; since |
The US federal government has released 252 applications so far, ______ fields including education and health care.
| A．covered | B．to cover | C．covering | D．having covering |
This is a kind of effective classroom teaching ______ students learn independently and cooperatively.
| A．where | B．which | C．what | D．when |
The lecture was so complex that I simply couldn’t ______ at all. Could you explain it to me?
| A．bring on | B．bring in | C．take on | D．take in |
The show opens next Monday. Between now and then we ______ it in the school hall every day.
| A．will be practicing | B．practice | C．are practicing | D．have practiced |
He likes to make a list of ______ she wants to buy before shopping.
| A．which | B．that | C．whether | D．what |