— Do you think when they to play basketball with us?
— I think they’ll come when they free．
| A．come；are | B．will come；will be |
| C．will come；are | D．come；will be |
Our history teacher often tells us funny story to ________.
A. make us laughing B. make us laugh C. make us to laugh
I am used to ________ up early in the morning.
A. get B. to get C. getting
I invited my teachers __________ my birthday party.
A. to join in B. join in C. to join
I didn’t sleep well ________ the noise from that factory nearby.
A. because B. because of C. Unless
He failed the exam, ______ he tried his best.
A. because B. though C. So