Mum this time yesterday.
| A．cooked | B．was cooking | C．will cook | D．is cooking |
Sam can sing English songs _________, but I can’t.
| A． a lot | B．very good | C．very well | D．very much |
— Can you play the guitar?
— _________________.
| A．No,I can | B．Sure, I can’t | C．No, you can | D．Yes, a little |
We are playing football. Come and _____________ us.
| A．join | B．join in | C．play | D．do |
My teacher helps us _______ swimming.
| A．on | B．in | C．for | D．with |
My mother is a nurse(护士) and is good _______ kids.
| A．in | B．for | C．with | D．at |