—— What were you up to when your parents came in?
—— I＿＿＿＿＿for a while and＿＿＿＿＿some reading.
| A．was playing； was going to do | B．played； did |
| C．had played； was going to do | D．had played； did |
So far, Mike has spent about $28,000 on the house and __________ it to cost about $38,000 when it is finished and furnished.
| A．expected | B．expects |
| C．has expected | D．will expect |
When effectively _______, the feedback we share with students or employees can develop their awareness of their own learning.
| A．managing | B．being managed |
| C．managed | D．to manage |
We all can feel something unusual about Kate, but she just _________ let us know what it is.
| A．shouldn’t | B．mustn’t |
| C．needn’t | D．won’t |
I can’t imagine what air we would be breathing in if we __________ anything to stop air pollution.
| A．hadn’t done | B．didn’t do |
| C．haven’t done | D．don’t do |
Experts suggest that parents should let their child do tasks that he is physically and mentally capable of doing by himself, ______ will help to build a self-confident kid.
| A．that | B．who | C．which | D．what |