It worried her a bit_______her hair was turning grey.
| A．while | B．what | C．if | D．that |
Tom was very angry about ________ to Mary’s birthday party.
| A．not inviting | B．being not invited | C．not being invited | D．not to be invited |
He was so sad because she failed in the maths test. Let’s ______ her _______.
| A．leave … behind | B．leave … alone | C．leave … aside | D．leave … out |
.I’ll do whatever I can ____ my English.
| A．improve | B．to improve | C．improving | D．to improving |
Students are encouraged to _________ the design competition for robots at the university.
| A．take part | B．operate | C．join to | D．participate in |
— I’m dead tired. I can’t walk any farther, Jenny.
— _______, Tommy. You can do it!
| A．No problem | B．No hurry | C．Come on | D．That’s OK |