They looked disappointed because they didn’t ______ the task on time.
| A．clarify | B．obtain | C．accomplish | D．make |
I usually do my homework after dinner until 10 pm, ______ is my bedtime.
| A．who | B．what | C．which | D．that |
We are told that more new teaching buildings ________ next year.
| A．build | B．was built | C．has built | D．will be built |
It is no use _______ about the coming exam.
A. worry B worrying C worried D to worry
I don’t feel like ______ anything now, for I am so tired.
| A．does | B．to do | C．did | D．doing |
It was very important for us ________ happy every day.
| A．to stay | B．stay | C．stayed | D．staying |